Airdropp
v. 空投[糧食等]
??? 情景例句
What books are required for this class?
這課需要什么樣的書？
There is safety in numbers.
人多勢眾。
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此，出現了這樣一個簡單的事實--野牛數目換的變化對平原的整個野生生物鏈都產生了影響。