Brownian
a. 蘇格蘭的植物學家Robert Brown 的
??? 情景例句
I have to get to a phone.
我得去找個電話。
His opening remarks were serious.
他的開場白說得很嚴肅。
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
現在是6點鐘。晚上，孩子們通常是做作業，而今天晚上，他們沒做企業。