Pre-conditions
(pre-condition 的復(fù)數(shù)) n. 前提條件；先決條件
?? 詞語(yǔ)組成解析
abbr. 煉油工程師（Petroleum Refining Engineer）
n. 形勢(shì), 情況, 環(huán)境
??? 情景例句
How can I get in touch with you?
我怎樣和你聯(lián)系呢？
This is a schedule.
這是一張時(shí)間表。
You'd better stay in bed till tomorrow. If you're not better by then, I'll take you to see the doctor.
你最好是在床上躺著，一直到明天。如果還不好，我再帶你去看醫(yī)生。