Upgraders
(upgrader 的復(fù)數(shù)) 質(zhì)量改善裝置；升級程序
??? 情景例句
One apple. Two apples. Three apples. Four apples.
一個蘋果。兩個蘋果。三個蘋果。四個蘋果。
I bet you can.
我確信你能做到。
Very well, I'll take it.
好吧，我就買這套。