Diradical
[医]双自由基, 双游离基
🗣️ 情景例句
at the Museum of Natural History.
在自然历史博物馆。
I'm combing my hair in the bathroom.
我在浴室梳头。
He felt free to talk about his failures or his difficulties.
他可以随便谈论自己的失败或困境。