Siman
[医]去氧安定（弱安定药）
🗣️ 情景例句
The topic of sex if somewhat taboo in Chinese daily conversation.
性在中国的日常谈话当中是禁忌话题。
The first step to virtue is to abstain from vice.
避开作恶是走向美德的第一步。
The large size, please.
请拿大号的。