Excavating
v. 挖掘（excavate的现在分词）
✅ 同义词
🗣️ 情景例句
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
I'll pretend like it's not ringing.
且当它闹钟没有响吧。
No, they aren't. They're their books.
不，不是我的。这些是他们的书。