Useful length
[机] 有用长度
🧩 词语组成解析
🗣️ 情景例句
Now, if you take that route, it's probably a lot simpler,
哦， 假如你走这条路的话 ，可能会简单得多，
What's bugging you?
你在烦什么？
He's awful!He telephoned me four times Yesterday, and three times the day before yesterday.
他讨厌透了！他昨天给我打了4次电话，前天打了3次。