Serrated pulse
[電] 齒鋸脈沖
?? 詞語組成解析
pulse
[p?ls]
n. 脈搏;[無線電]（電磁波等）脈動;活力;有節奏的跳動（或拍打）;
vi. （心臟）跳動;脈動;搏動;震動;
vt. 使跳動;有節奏地驅動（機器等）;[電子學]施以脈沖;[無線電]脈沖地調節（電磁波）;
pel, puls 表”驅動,推動”
??? 情景例句
I've decided to stay at home and be a full-time mother.
我決定留在家里做一個專職母親。
I'm scared to death.
我害怕得要死。
Among the rubbish, I found a sign which said, 'Anyone who leaves litter in these woods will be prosecuted!'
“凡在此樹林里丟棄垃圾者，將依法處置。