Preliminary amplifier
[计] 前置放大器
🧩 词语组成解析
preliminary
[prɪ'lɪmɪnɛri]
adj. 初步的，初级的;预备的;开端的;序言的;
n. 准备工作;预赛;初步措施;（对学生等的）预考;
pre预先+limin门槛，限制+ary形容词后缀→入门以前→初步的
🗣️ 情景例句
He isn't likely to win.
他不可能赢。
When you're down and blue, go to a comedy.
你灰心丧气的时候，去看看喜剧。
He was a shrewd and wealthy businessman, but most people in the town hardly knew anything about this side of his life.
他是个精明能干、有钱的商人，但镇上大部分人对他生活中的这一个方面几乎一无所知。