Subsurface
a. 表面下的
✅ 同义词
🗣️ 情景例句
Sure.
当然。
I cannot believe that.
我还是不敢相信。
It was warm last Sunday, so I went and sat on the river bank as usual.
上星期日天气很暖和。于是我和往常一样，又去河边坐着。