Invertible grammar
[計(jì)] 可逆文法
?? 詞語組成解析
[計(jì)] 可逆的
grammar
['gr?m?]
n. 語法;語法書;（學(xué)術(shù)的）基本原理;（人的）語言知識(shí)及運(yùn)用能力;
gramm=gram寫，圖+ar表物→寫的[規(guī)則]→語法
??? 情景例句
We were both on the tennis team.
我們都是網(wǎng)球隊(duì)的隊(duì)員。
I'd like to make an appointment with Professor Smith. Would 9:00 tomorrow be all right?
我想和史密斯教授約個(gè)會(huì)面時(shí)間。明天9點(diǎn)行嗎？
Did you leave it in water before you washed it?
在洗它之前您是不是把它泡在水里了？