Siogen
[医] 西奥根, 5,7-二氯-8-羟基奎纳丁(商品名,局部杀菌剂)
🗣️ 情景例句
Western countries have evry strict visa requirements.
在西方国家有严格的签证要求。
Never too old (or late) to learn.
学到老，学不了。
Have you had any breakfast yet?
你吃过早餐了吗？