Cementin
[生]鳞片状内皮细胞间的粘结物
🔁 扩展释义
【医】 粘合质
🗣️ 情景例句
And now for ... something old,
现在， 接着是 一些旧的，
What time did you use to get up last year?
你去年时常什么时间起床？
she has to help with the washing.
她得帮忙洗衣服。