Preproinsulin
n. [生化]前胰岛素原
🗣️ 情景例句
Yes. About four years ago.
是的 ，大约四年前走的。
What are you going to do now?
现在你要做什么？
That's OK. But you mustn't smoke while you're walking around in the bush either. You could start a bush fire.
没关系。但是在丛林里走动时你也千万不要抽烟，会引起火灾的。