🧩 词语组成解析
n. [建]柱身凹槽(或突筋)
🗣️ 情景例句
These knives are guaranteed never to go blunt.
这些刀保证不会变钝。
I'd rather have some tea,if you don't mind.
我想要一些茶,如果你不介意。
Cheer up!
振作起来！