Spatial symmetry
[化] 空间对称性
🧩 词语组成解析
🗣️ 情景例句
Won't you be busy?
你不是有事吗？
Let me talk to Mr. Wang.
我要请王先生讲话。
'Your sister will be here in less than an hour and we must be at the station to meet her.
“再有不到一个小时你姐姐就要到这儿了，我们得去车站接她。