First preselector
[电] 第一级顶选机
🧩 词语组成解析
first
[fɝst]
n. 第一，最初;头等;一号，;[乐]高音部;
adv. 最早，最初;首次;宁愿;优先;
adj. 第一流的;最初的，最早的;基本的，概要的;高音的;
num. 第一;
[计] 预选器, 预选程序
🗣️ 情景例句
Should be.
应该是开的。
He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
She walked slowly into the hall and at once noticed that all the room doors were open,
她慢慢地走进前厅，立即发现所有的房门都敞开着，