Plumbless
a. 深不可测的
🗣️ 情景例句
Well, for one thing, he's my sister's boyfriend. Ann talks about Jack all the time.
首先，他是我妹妹的男朋友。安整天就是杰克长杰克短的。
Children learn to creep ere they can go.
孩子要走路，先得学爬行。
It was simply a blank sheet of paper.
而是一张白纸。