Binnell
氟草胺
🗣️ 情景例句
Did you catch anything?
你钓到什么鱼没有？
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，