Solidities
(solidity 的复数) n. 固体性, 坚硬, 坚固, 稳健, 体积
🗣️ 情景例句
You know airports.
机场的事你是知道的。
He already has a phonograph,but he doesn't have a radio yet.
他已经有一架留声机，但是他还没有收音机。
No, I haven't. Why? Have you?
没有，我没有。怎么啦？你有吗？