Concurrency relation
[计] 并发关系
🧩 词语组成解析
[计] 并发性; 并行性
🗣️ 情景例句
I can't make up my mind about it.
关于那件事，我还不能做决定。
I envy you.
我羡慕你。
Twenty people had already left.
有20个人已经离去。