Optical cement
[计] 光学胶, 光学接合剂
🧩 词语组成解析
cement
[si'ment]
n. 水泥;胶合剂;胶接剂;粘固粉;
vt. 粘牢;巩固;（用水泥、胶等）粘结;在…上抹水泥;
🗣️ 情景例句
It was not until yesterday that I noticed it.
我一直到昨天才注意到它。
Like draws to like.
物以类聚。
Nothing much. Why?
没啥事。怎么啦？