Thorotrast
[医] 胶质二氧化钍(一种含二氧化钍的造影剂)
🗣️ 情景例句
That's a good idea.
好主意。
I can't tell you how happy this makes me.
我形容不出来我有多高兴。
The letter x stands for an unknown number.
字母x代表未知数。