Pro rata cancellation
[經(jīng)] 按比例抵銷
?? 詞語組成解析
pro
[pr?u]
n. 贊成者;贊成的意見;贊成票，投贊成票者;
adv. 贊成地;肯定地;
——見 pro rata
cancellation
[k?ns?'lei??n]
n. 取消;<數(shù)>（相）約;被取消的事物;作廢;
??? 情景例句
OK.
好的。
Sorry, it's broken. You have to use the stairs.
對不起，它壞了，你只能走樓梯了。
as the wave leaves the particles behind back to its starting point again.
當(dāng)波浪把微粒留在身后時又回到出發(fā)點。