Porphyrilic acid
[化] 紫菜酸
🧩 词语组成解析
🗣️ 情景例句
He accepted an offer of help.
他接受了援助的建议。
She regrets that she hurt your feelings.
他后悔伤害了你的感情。
Which sweater do you like?
你喜欢哪种毛衣？