Underclay
n. (煤层下的)底黏土层
🗣️ 情景例句
Sounds like no.
声音像 no 。
When the heart is full,, the tongue will speak.
胸有成竹，口若悬河。
You have to learn when to ask for help and when to ask for information.
你得学会什么时候请求帮助，什么时候打听信息。