Solidities
(solidity 的复数) n. 固体性, 坚硬, 坚固, 稳健, 体积
🗣️ 情景例句
It's on the house.
这是免费的。
The plan worked well.
那项计划进行顺利。
The flames threw light onto the ceiling of the cave.
火焰照亮了山洞的顶部。