whence
adv. 从何处；由此；到原来的地方
conj. 从何处；由此
pron. 何处
例句
They returned whence they had come.
他们从哪里来又回到哪里去了。
《牛津词典》
No one ordered him back whence he came.
没有人命令他从哪里来回哪里去。
《柯林斯英汉双解大词典》
The straw began and said: "Dear friends, from whence do you come here?"
麦草开口问道：“亲爱的朋友们，你们从哪里来？”
