Alexander’s engineers built floating rafts for the heavy catapults.

大的工兵修建了浮动的筏子来运载沉重的弩炮。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

美国工兵处的水文学者RogerGauthier说一二月的大雪都未足够补充五大湖失去的水。

Alexander’s engineers built floating rafts for the heavy catapults.

亚历山大工修建了浮动筏子来运载沉重弩炮。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

美国工水文学者RogerGauthier说一二月大雪都未足够补充五大湖失去水。

Alexander’s engineers built floating rafts for the heavy catapults.

亚历山大修建了浮动筏子来运载沉重弩炮。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

美国处水文学者RogerGauthier说一二月大雪都未足够补充五大湖失去水。

Alexander’s engineers built floating rafts for the heavy catapults.

亚历山大工兵修建了筏子来运载沉重弩炮。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

美国工兵处水文学者RogerGauthier说一二月大雪都未足够补充五大湖失去水。

Alexander’s engineers built floating rafts for the heavy catapults.

亚历山大的工兵修建的筏子来运载沉重的弩炮。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

美国工兵处的水文学者RogerGauthier说一二月的大雪都未足够补充五大湖失去的水。

Alexander’s engineers built floating rafts for the heavy catapults.

亚历山大的修建了浮动的筏子来运载沉重的弩炮。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

美处的水文学者RogerGauthier说一二月的大雪都未足够补充五大湖失去的水。

Alexander’s engineers built floating rafts for the heavy catapults.

亚历山大的修建了浮动的筏子来运载沉重的弩炮。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

美国的水文学者RogerGauthier说一二月的大雪都未足够补充五大湖失去的水。

Alexander’s engineers built floating rafts for the heavy catapults.

亚历山大的工兵修建了浮动的筏子来运载沉重的。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

国工兵处的水文学者RogerGauthier说一二月的大雪都未足够补充五大湖失去的水。

Alexander’s engineers built floating rafts for the heavy catapults.

亚历山大工修建了浮动筏子来运载沉重弩炮。

Roger Gauthier, a hydrologist with the U.S.Army Corps of Engineers said even heavy snowfall in January and February may not be enough to replenish the water lost.

美国工水文学者RogerGauthier说一二月大雪都未足够补充五大湖失去水。