Thitherto
adv. 到那时为止,直到那时
🗣️ 情景例句
Interesting. What do you photograph?
很有意思。你拍些什么样的照片呢？
That's international practice. We can't break it.
这是国际惯例，我们不能违背。
Please stop me if you have any question.
有任何问题，请随时叫我停下来。