Thorotrast
[医] 胶质二氧化钍(一种含二氧化钍的造影剂)
🗣️ 情景例句
I have no definite ideas in that area right now.
在这方面目前我还没有具体的想法。
Caution is the parent of safety.
谨慎小心是安全之源。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。