Non-periodic wave
[電] 非調期波
?? 詞語組成解析
non
[[n?n]]
adv. 非, 不
periodic
[,p?r?'ɑd?k]
adj. 周期的;定期的;回歸的;間歇的，時而發(fā)生的;
wave
[wev]
n. 波浪，波動;揮手;涌現(xiàn)的人（或事物）;洶涌的行動（或思想）態(tài)勢;
vi. 搖擺，起伏;
vt.& vi. （一端固定地）飄揚;揮手指引;揮動…示意;略呈波形;
vt. 揮手表示;揮舞;使…略呈波形;燙（發(fā)）;
??? 情景例句
We've known each other since we were children.
我們從小就認識。
Not only did I forget my train ticket, but I also forgot my passport.
我不僅忘了帶火車票，還忘了帶護照。
Would you care to answer my question on the warranty?
你可以回答我有關保證的問題嗎？