Commutation switch
[計(jì)] 轉(zhuǎn)換開關(guān)
?? 詞語組成解析
commutation
[[?k?mju(:)'tei??n]]
n. 交換, 變換, 代替\\n[電] 整流
switch
[sw?t?]
n. 開關(guān);轉(zhuǎn)換，轉(zhuǎn)換器;軟鞭子;[信]接線臺(tái);
vt.& vi. 轉(zhuǎn)變，改變;轉(zhuǎn)換;關(guān)閉電流;鞭打;
vt. 轉(zhuǎn)換;揮動(dòng)（棍棒、鞭子等）;迅速轉(zhuǎn)動(dòng);鞭打;
vi. 交換;調(diào)換;
??? 情景例句
then go uptown to the Museum of Natural History.
然后再往北去自然歷史博物館。
Factories employ both male and female workers.
工廠雇用男性和女性的工人。
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下鋼盤混凝土平臺(tái)上。