Core gum
[机] 砂心胶
🧩 词语组成解析
core
[kɔ:]
n. 中心，核心，精髓;果心，果核;[地质学]地核;[计] 磁心;
vt. 去（果）核，挖去…的果心;提取岩芯（样品）;
gum
[ɡʌm]
n. 口香糖;树胶;黏胶;牙龈;
vt.& vi. 胶合;涂以树胶;使…有粘性;
🗣️ 情景例句
We have to maintain communication to understand each other.
必须保持交流以求相互理解。
Photography is an expensive hobby.
摄影是门花费很多的爱好。
What a mess! There was pastry on my fingers, on the telephone, and on the doorknobs.
真是糟糕透了！我的手指上、电话机上以及门的把手上，都沾上了面糊。