防线

Our tanks have breached the enemy defences.

我方坦克车突破了敌人的防。

Grimsby sliced through Swindon's defence.

姆斯比轻松突破斯温顿的防。

At Genappe, an effort was made to wheel about, to present a battle front, to draw up in line.

在热纳普，有人还企图回转去建立防，去遏止，堵。

Experts said that antemarital examination, pregnancy testing and prenatal care is the prevention of disease, birth of the three lines of defense.

专家称，婚检、孕检和产前检查是预防疾病、优生优育的三道防。