Electrodynamic speaker
[電] 電動揚聲器
?? 詞語組成解析
a. 電力學的\\n[電] 電動
speaker
['spik?]
n. 說話者;演講者，發言人;講某種語言的人;揚聲器;
??? 情景例句
What kind of exercises do you like to do?
你喜歡什么鍛煉方式？
There's no sense in going by boat when the plane is just as cheap and much quicker.
既然乘飛機和坐船一樣便宜而且還快得多，那么就沒有理由去坐船。
Rubbish, however, is only part of the problem of polluting our planet.
然而，垃圾只是我們這個星球的污染問題的一個方面。