形容词

1. 敞篷车;折篷汽车
A convertible is a car with a soft roof that can be folded down or removed.

2. (投资工具、货币等)可兑换的，可转换的
In finance, convertible investments or money can be easily exchanged for other forms of investments or money.

1. a car that has top that can be folded or removed

2. a sofa that can be converted into a bed

Synonym: sofa bed

3. a corporate security (usually bonds or preferred stock) that can be exchanged for another form of security (usually common stock)

Synonym: convertible security