convertible，convertible词根？
词根: conversion
n. 转换；变换；[金融] 兑换；改变信仰
He used to be arrogant, but he has undergone some conversions.
他过去很傲慢无礼，但他最近有所改变。
His conversion to Catholicism will not change because of his partner's beliefs.
他对天主教的皈依不会因为伴侣的信仰而改变。
There is no economic loss in the conversionbetween two different systems.
两种不同制度的转换没有经济损失。
Solar power is the conversion of the sun's energy into heat and electricity.
太阳能动力是将太阳能转化为热和电
The money conversion rate is very bad right now, so I'll wait to change my money right before my trip.
目前汇率不佳，所以我还是等到旅行前几天再换钱吧。
Our conversion rate is way above last month's. Great job, everyone!
我们的转换率远高于上个月。大家干得好！
convertible车？
没有convertible 这个牌子的车， 所以和特点没有关系， 中文意思: 可改變的，可轉變的
a convertible sofa bed
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