?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
??? 情景例句
A credit card is very useful when you go traveling.
當然旅游的時候，信用卡很有用。
Wisdom is a good purchase though we pay dear for it.
我們為了求知識，付出高價也值得。
What I do on my own time is nobody else's business.
我在自己的時間里干什么根本不關別人的事。