Thorotrast
[医] 胶质二氧化钍(一种含二氧化钍的造影剂)
🗣️ 情景例句
There are many natural catastroophes occurring in nature.
自然界里有很多自然灾害发生。
To knit the sweater
织毛衣
Last year, however, it came into use.
然而去年机场开始使用了。