Lavatorial
a. 廁所的, 洗滌的, 低級粗俗的
??? 情景例句
When are they coming?
他們什么時候來？
I'm practising tai chi chuan in the park.
我在公園打太極拳。
is as the proportion of the total vocabulary of his mother tongue against those words of his own baby talk that are taken up into the vernacular of his family.
就好像他本國語言的總詞匯量和自己咿呀學語時他家庭所接納的他的詞匯量之比。