n. a submersible warship usually armed with torpedoes
v. move forward or under in a sliding motion
v. throw with an underhand motion
v. bring down with a blow to the legs
n. 潜水艇, 海底生物
a. 海中的, 生长在海中的
vt. 用潜水艇攻击
vi. 在下疾行, 在下滑动
1. The submarine can dive deep into the ocean to explore marine life.
潜艇可以潜入深海探寻海洋生物。
2. Many countries use submarines for military purposes.
许多国家使用潜艇用于军事目的。
3. The children were excited to learn about how submarines work.
孩子们很兴奋地学习潜艇是如何工作的。