Solids
n. 固体( solid的复数形式 ); 立体图形; 立方体; 硬粒
🗣️ 情景例句
Oh no! Is it serious?
噢， 糟糕， 严重吗？
Last month was December,wasn't it ?
上个月是十二月，对不对？
I'd like to know how you reached your conclusions.
我想知道你们是如何得出结论的。