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
about five years ago.
大约五年前。
We hope to hear from you soon and can assure you that your order will be dealt with promptly.
希望尽快收到贵方答复，我们保证及时处理对方定单。
It was kind of exciting.
有点剌激。