Filling core
[机] 埋入砂心
🧩 词语组成解析
filling
['filiŋ]
n. 装满，填满;填充物;（糕点内的）馅;（织品的）纬纱;
v. 填满(fill的ing形式);
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）;
🗣️ 情景例句
you have a meeting with the production staff
要与生产部门人员开会，
How much is that?
那个多少钱？
It is, in fact, a primitive type of calendar.
事实上是一种最原始的日历。