Subsurface
a. 表面下的
✅ 同义词
🗣️ 情景例句
During your computer classes, did they teach you how to fix a cooling fan?
在你的电脑课程，他们是否教过你如何修理散热风扇？
Your shoe lace is loose.
你的鞋带松了。
'I don't think the windows need cleaning at this time of the night.
“我看不必在夜里这个时候擦窗子吧。