Differential microphone
[電] 微分微音器
?? 詞語組成解析
differential
['d?f?'r?n??l]
adj. 差別的;特意的;[數]微分的;[機，物]差動的;
n. [數]微分;差別;工資級差;[機]差動器;
di, dif, divid 表示”分開”;”取消”,”否定”;”不同”
??? 情景例句
But we found nearly half on them were mouldy. We can't accept them anyway.
但是我們發現差不多一半發了霉。無論如何我們不能接受。
It is lost labour to sow where there is no soil.
沒有土壤，播種也是徒勞。
The basic features include a crest (the highest point of the wave),
它們的基本特征包括浪峰（波浪的最高點）