Subsurface
a. 表面下的
✅ 同义词
🗣️ 情景例句
She has the ability to keep calm in an emergency.
她有处变不惊的本事。
This is Tom. He's my classmate.
这是汤姆。我的同学。
Fine, thanks. Oh, That's the bell. Everyone is going into class, we'd better go too.
很好，谢谢。啊，铃响了。大家都去上课。我们最好也去。