🧩 词语组成解析
a. 老的, 旧的
v. 很久以前, 从前
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
This is it. That's $9.15, please.
到了。请付9。15美元。
You'd better stay in bed till tomorrow. If you're not better by then, I'll take you to see the doctor.
你最好是在床上躺着，一直到明天。如果还不好，我再带你去看医生。