Backtrail
vi., vt. = backtrack
🗣️ 情景例句
While it may be cold outside, it's always warm here in the office.
外面可能很冷的时候，办公室里面总是很暖和。
What are you doing?
你正在做什么？
Oh! And do you use American or British spelling?
噢！那你们是采用美国拼法还是英国拼法呢？