Polydeoxynucleotide
[医]多聚脱氧核苷酸
🗣️ 情景例句
I guess I am.
我想是吧。
Thanks for coming to help on such a short notice.
谢谢你临时来帮忙。
Late in the afternoon, the boys put up their tent in the middle of a field.
傍晚时分，孩子们在田野中央搭起了帐篷。