High-vacuum tube
[电] 高度真空管
🧩 词语组成解析
high
[haɪ]
adj. 高的;高尚的，崇高的;高音调的;高级的，高等的;
adv. （程度等）高地;高价地;奢侈地;
n. 高处，高位;[气象学]高气压;高压地带;高水平;
🗣️ 情景例句
Well, how was everybody's day today?
喂 ，今天各位过得怎么样？
Fortune to one is mother, to another is stepmother.
命运对一种人如亲娘，对另一种人却是晚娘。
Let's try the back door.
让我们到后门去试试。