🧩 词语组成解析
genus
['dʒi:nəs]
n. （动植物的）属;类;种;型;
🗣️ 情景例句
and his book
他的书
Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。
Is Mr Brain in?
布雷恩先生在家吗？