Chancing
v. 偶然发生（chance的现在分词形式）
🗣️ 情景例句
Hello.
喂。
Sorry to keep you waiting.
抱歉让你久等了。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，