?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
n. 〈植〉火棘
??? 情景例句
I Wonder whether they will arrive on time.
我也不知道他能不能準時到。
If I went with you,I'd have to be back by six o'clock
如果我與你一起去了，我將不得不在6點鐘回來。
How long has this factory been open?
這家工廠建成有多久了？