Solids
n. 固体( solid的复数形式 ); 立体图形; 立方体; 硬粒
🗣️ 情景例句
That's fine. Thank you.
很好。谢谢你。
It's a waste of time.
这是浪费时间。
There was less food for birds and also for the prairie dog, a kind of animal which lives in holes in the ground.
供鸟类吃的食物少了，供草原犬鼠（一种生活在地洞里的动物）吃的食物也少了。