Deleteriousness
[医]有害性, 有毒性
🗣️ 情景例句
He is behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
How much does a round trip ticket to go there cost?
一张去那边的往返票要多少钱？
So he decided to emigrate.
于是他决定移居他国。