Under commutation
[电] 欠整流
🧩 词语组成解析
under
['ʌndɚ]
prep. 在…下面，在表面之下;在…的假定表面或掩饰下;少于，小于;在…情况下;
adv. 在下面;少于;在水下;在昏迷中;
adj. 较低的，下面的;
commutation
[[ˌkɔmju(:)'teiʃən]]
n. 交换, 变换, 代替\\n[电] 整流
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
You're so lame!
你真笨！
I'm certain he'll go to see the film, because he's bought a ticket.
我肯定他会去看电影的，冈为他把票都买好了。