Sinapoline
[医] 双烯丙基脲
🗣️ 情景例句
About forty minutes, I think.
我想大约40分钟。
What did you do the week before last?
上上星期你干了什么？
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。