Density of lines of force
[電] 力線密度
?? 詞語組成解析
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
lines
[[lainz]]
n. 臺詞
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
force
[f?:s]
n. 力;武力;（社會）勢力;魄力;
vt. 強迫;強行;促使，推動;強奸;
??? 情景例句
We've known each other since we were children.
我們從小就認識。
John has built up his own business.He owns a hotel.
約翰建立了他自己的生意，他擁有一家賓館。
When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.
最近有個學生看見兩個工人在學校門外用風鉆干活，馬上打電話報告警察，說有兩個學生裝扮成工人，正在用風鉆破壞路面。