Varicap
(=variable-capacitance diode)變容二極管, 壓控變容器
??? 情景例句
Well, that sounds very exciting,
嗯 聽起來很令人興奮。
No safe wading in an unknown water.
未知水深淺，涉水有危險。
Students specialize in a particular type of practical joke: the hoax.
大學生擅長一種特殊的惡作劇——戲弄人。