Dermatoplasm
胞壁质
🗣️ 情景例句
I need your advice on a personsal matter,
我有件私事， 需要听听你的高见，
You're sure of passing the exam if you work hard.
只要用功，主汪定能考及格。
Both the police and the workmen were grateful to the student for this piece of advance information.
警察与工人都对那个学生事先通报情况表示感谢。