-mas
na. 后缀
🧩 词语组成解析
[化] 低碳混合醇
🗣️ 情景例句
You have to cook dinner for the entire family.
你今晚得替全家做晚餐呢。
If he doesn't accompany him, I will.
如果他不，我将陪伴他。
Thank you. Bye-bye.
谢谢。再见。