Bioxide
二氧化物
🗣️ 情景例句
when she was running for the school board.
在妈妈竞选联合校董会席次时。
He did not conclude that Anna had misunderstood.
他没法断定安娜是否存在误解。
The kiwi, which is New Zealand's national bird, is one of these types of flightless birds.
几维，新西兰的国鸟，就是这些不能飞行的鸟类当中的一种。