Knu
abbr. knuckle 关节，钩爪
🗣️ 情景例句
If you aren't busy today, how about lunch?
如果你今天有空的话，吃一顿午饭如何？
A wise man cares not for what he cannot have.
智者不作非凡之想。
Even though the road was littered with boulders and pitted with holes, Bruce was not in the least perturbed.
尽管路面布满石头，坑坑洼洼，但布鲁斯却一点儿不慌乱。