Knife-edge switch
[化] 閘刀開關
?? 詞語組成解析
knife
[na?f]
n. 刀;匕首;刃部;手術刀;
vt. 切割，刺;傷害;
vi. 劈開;劃過;
edge
[?d?]
n. 邊;優勢;（懸崖、峭壁的）邊緣，端;鋒利，尖銳;
vt. 在…上加邊界;使漸進;給（刀刃）磨邊，使鋒利;修整;
vi. 慢慢向前移動，側身移動;
switch
[sw?t?]
n. 開關;轉換，轉換器;軟鞭子;[信]接線臺;
vt.& vi. 轉變，改變;轉換;關閉電流;鞭打;
vt. 轉換;揮動（棍棒、鞭子等）;迅速轉動;鞭打;
vi. 交換;調換;
??? 情景例句
Just imagine--Marilyn and Richard must be thrilled!
想像得出 Marilyn和Richard一定樂壞了！
Would 1:00 be convenient?
1點鐘行嗎？
Was the noise a cause of the illness, or were the complaints about noise merely a symptom?
是噪音引起了（精神）病呢，還是（精神）病的癥狀之一是對噪音的抱怨？