🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
abbr. upper control area 上部控制区
🗣️ 情景例句
I never could tie one of those ...
我从来就不会打那一类的……
Besides the required courses, I'm taking an elective in the Lab Science.
除必修科目外，选修科目我选了实验科学。
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。