Dams
abbr. 海洋建筑的设计与分析；[美]防御性反导弹系统（Defense Against Missiles Systems）
🗣️ 情景例句
What are you going to do?
你打算读什么？
We are short of hands now.
我们现在人手不足。
The eggs are sold by the dozen.
鸡蛋按打卖。