?? 詞語組成解析
genus
['d?i:n?s]
n. （動植物的）屬;類;種;型;
??? 情景例句
Mr. Maxwell?
您是Maxwell先生嗎？
There are always two sides to everything.
每件是都有兩面性。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固體障礙物越遠。回聲返回所用時間就越長。