If canceller
[電] 中頻消除器
?? 詞語組成解析
if
[if]
conj. 如果，倘若;即使;〈口〉是否;假設(shè);
n. 條件，設(shè)想;
n. 消除器, 補(bǔ)償設(shè)備
??? 情景例句
Where is your native place?
你的籍貫是什么地方？
While Mike was an only child, he would amuse himself with his toys.
麥克還在孩提時(shí)，常常獨(dú)自玩玩具取樂。
Houses -- often three storeys high -- were built of stone.
房子一般有3層樓高，用石塊修建。