Etisul
[医] 肽乙硫, 异肽酸二乙二硫酯
🗣️ 情景例句
I've never been to the aquarium
我从来没有去过水族馆
Please quote us as soon as you receive our inquiry.
请接到我们的询价单后马上给我们报价。
We can't decide who should open it first.
我们难以决定谁先打开礼物包。