Pregnene
[化] 孕烯; 孕甾烯\\n[医] 孕烯
🗣️ 情景例句
Your show doesn't begin until eight thirty.
你的展览八点半才开始。
Labour is light where love doth pay.
爱情作酬报，劳苦必轻松。
It's often windy in March.
3月里常常刮风。