Allolactose
異乳糖
??? 情景例句
International travel involves a lot of waiting around in airports.
經(jīng)常在機(jī)場(chǎng)等候是環(huán)球旅行的一部分。
A friend is best found in adversity.
患難見(jiàn)真友。
Acting on a sudden impulse, I collected several dozen, put them in a paper bag, and took them to Robert.
我一時(shí)沖動(dòng)，逮了幾十只，裝進(jìn)一只紙袋里，帶著去找羅伯特。