Kekule' structure
[机] 凯库勒结构
🧩 词语组成解析
🗣️ 情景例句
Take it easy. Don't work too hard.
悠着点。不要操劳过度。
How much do you charge per unit?
你们每件要价多少呢？
' The manager was sympathetic, but he could do nothing.
”经理深表同情，但却无能为力。