Milligamma
毫微克, 10的-9次方
🗣️ 情景例句
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
When do you get up everyday?
每天你几点起床？
So why are the English words Made in…" written on these things?
那么为什么在这些东西上面却写着“……制造”的英语字样呢？