🧩 词语组成解析
挖沟, 挖沟工作, 掘壕掩埋法
spade
[sped]
n. 铁锹，铲子;纸牌中的)黑桃;
vt. 铲;
🗣️ 情景例句
Pleased to meet you.
很高兴见到你。
We are running on two shifts.
我们实行的工作是两班倒。
Why on earth didn't you tell me the truth?
你到底为什么不跟我说实话？