Biomacromolecule
生物高分子, 生物大分子
🗣️ 情景例句
Do you have a job lined up after graduation?
你毕业后有工作等着你吗？
You have to be operated on.
你得做手术。
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。