Submarines
n. 潜艇；潜水艇（submarine的复数）
🗣️ 情景例句
What else?
还有什么？
I think his fish is a little bigger than mine.
他的鱼似乎比我的大了一点。
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说