1.brigade 旅
A third brigade is at sea, ready for an amphibious assault.
还有一个旅已在海上待命,准备两栖进攻 。
2.prototype原型
We plan to release a prototype this autumn for trial in hospitals.
我们计划今年秋天在各医院推出一个模型进行试验 。
3.floating 漂浮的
The great ship was like a floating building.
那艘巨轮活像一幢浮动的大楼 。
4.contamination 污染
Some people are still suffering ill effects from the contamination of their water.
一些人仍在承受水质受污染的恶果 。