Rapid selector
[电] 快速选择器
🧩 词语组成解析
rapid
['ræpɪd]
adj. 快速的;[摄]感光快的;险峻的;
n. 急流;高速交通工具，高速交通网;
rap-, rav- Rap,rapt,rav=snatch,表示”捕,夺”#词根助记：抢夺时速度必然很快
selector
[si'lektə]
n. 选择者，选择器;
🗣️ 情景例句
for a long time,
很久了，
May I try it on?
我能试穿吗？
A painter who had been working on the tower hung a pot of paint on one of the hands and slowed it down!
在钟塔上干活的一位油漆工把一只油漆桶挂在了一根指针上，把钟弄慢了！