Procarcinogen
前致癌剂
🗣️ 情景例句
Thank you, Mr. Lu. Please wait a moment while I check our reservations list.
谢谢，陆先生。请稍等，我查一下订房名单。
I can write.
我会写。
They lived by hunting and by gathering roots, nuts and wild fruits.
他们靠狩猎和采集根茎、坚果和野果为生。