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
Or religion unless you know them very well.
除非你和对方很熟。
Idleness is the root (or mother) of all evil (or sin or vice).
懒惰是万恶之源。
We would be glad to start business with you.
我们很高兴能与贵公司建立贸易往来。