?? 詞語組成解析
genus
['d?i:n?s]
n. （動(dòng)植物的）屬;類;種;型;
??? 情景例句
I have just begun to learn and my serve isn't very good.
我剛剛開始學(xué)習(xí)，發(fā)球不太好。
You're not so great yourself.
你自己也沒好到哪里去。
Columbus discovered America in l492.
哥倫布于1492年發(fā)現(xiàn)了美洲。