Radiolabelling
[化] 放射性标记
🗣️ 情景例句
for giving me a passing grade.
给我及格分数。
Money is the root of evil.
金钱是罪恶的根源。
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。