Core filler
[机] 砂心填料
🧩 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）;
filler
['filə]
n. 填装物，填塞物;填装者，填注者;（杂志等的）补白;（报纸等的）补白;
🗣️ 情景例句
Yes, of course.
是的， 当然。
Who has no haste in his business mountains to him seem valleys.
做事不急，履险如夷。
Thanks for your letter.
谢谢你给我来信。