By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌来看，非洲人长相更接近于灵长目科，高颧骨，深目，唇前凸。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

失，唇退化为一条窄横片，唇退化为一小片（唇须发达）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究人员用海绵从女性腋收集分，于酒精后涂擦在一些女性的唇。

By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌来看，非洲更接近于灵目科，高颧骨，深目，唇前凸。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

颚消失，唇退化为一条窄横片，唇退化为一小片（唇须发达）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究员用海绵从女性腋收集分泌物，溶于酒精后涂擦在一些女性的唇。

By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌上来看，非洲人长相更接近于灵长目科，高颧骨，深目，上唇前凸。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

上颚消失，上唇退化为一条窄横片，唇退化为一小片（唇须发达）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究人员用海绵从女性腋收集分泌物，溶于酒精后涂擦在一些女性的上唇。

By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌上来看，非洲人长相更接近于灵长目科，高颧骨，深目，上唇前凸。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

上颚消失，上唇退化条窄横片，唇退化片（唇）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究人员用海绵从女性腋收集分泌物，溶于酒精后涂擦在些女性的上唇。

By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌来看，非洲人长相更接近灵长目科，高颧骨，深目，唇。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

颚消失，唇退化为一条窄横片，唇退化为一小片（唇须发达）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究人员用海绵从女性腋收集分泌物，精后涂擦在一些女性的唇。

By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌来看，非洲人长相更接长目科，高颧骨，深目，前凸。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

颚消失，退化为一条窄横片，退化为一小片（须发达）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究人员用海绵从女性腋收集分泌物，溶酒精后涂擦在一些女性的。

By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌来看，非洲更接近于灵目科，高颧骨，深目，唇前凸。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

颚消失，唇退化为一条窄横片，唇退化为一小片（唇须发达）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究员用海绵从女性腋收集分泌物，溶于酒精后涂擦在一些女性的唇。

By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌上来看，非洲人长相更灵长目科，高颧骨，深目，上前凸。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

上颚消失，上退化为一条窄横片，退化为一小片（须发达）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究人员用海绵从女性腋收集分泌物，溶酒精后涂擦在一些女性的上。

By apperance, Africans are more close to the quadrumana, such like their high cheekbone, deep eye socket and pitched lips.

从外貌上来看，非洲长相更接近于灵长目科，高颧骨，深目，上前凸。

The mandibles are usually lost, the labrum is reduced to a narrow transverse sclerite, and the labium is a small flap ( though its palps retain quite large).

上颚消失，上退化为一条窄横，退化为一小（须发达）。

The experiment is such: Researcher uses foam rubber or plastic from the female alar collect secretion, dissolve is in at the inunction after alcohol the labrum of a few females.

研究海绵从女性腋收集分泌物，溶于酒精后涂擦在一些女性的上。