Propylic
a. propyl的变形
🗣️ 情景例句
How much does it weigh?
它多重？
Thank you for inviting me to speak at the dinner.
谢谢你邀请我共进晚餐。
Could you tell me your secret for a long, happy life?
你能告诉我长时间地过着快乐的生活的秘诀吗？