Endothiobacteria
内生硫细菌
🗣️ 情景例句
Protein, vitamins.
蛋白质， 维他命。
No need!
免了吧！
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。