?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
??? 情景例句
Would you like an appetizer?
你想來點開胃小菜嗎？
What do you do at work?
你上班干些什么？
First of all, they may have come to this planet of ours thousands or millions of years ago,
首先，他們可能在幾千年前或幾百年萬年前已來過我們地球，