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
I'm not so young anymore.
我不再那么年轻了。
The on-looker sees most of the game.
旁观者清。
Last week, my four-year-old daughter, Sally, was invited to a children's party.
上周，我4岁的女儿萨莉被邀请去参加一个儿童聚会。