Procell variable
[机] 流程变数
🧩 词语组成解析
[医]原始细胞
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
I'm afraid I can't get away from the meeting.
我恐怕难以从会议中抽身。
Kate! It's late. Why are you in bed?
凯特！晚啦。你怎么还在床上？