High-vacuum switching tube
[电] 高真空开关管
🧩 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;
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
Then you'll see a big old red barn.
然后你就会看到一座旧的红色大粮仓。
He gave a straightforward answer.
他给予了坦率的回答。
but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年还要派狗到雪山地里去帮助那些遇到困难的旅游者，