Milligamma
毫微克, 10的-9次方
🗣️ 情景例句
How about green? It's size ten.
绿的怎么样， 它是十号的。
This nation is noted for its scientific accomplishments.
这个国家以科学成就闻名。
George studied medicine in his youth.
乔治年轻时学过医，