Core sand
[机] 心砂
🧩 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）;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
I was really worried.
刚才我真的很担心。
He is never alone that is in the company of noble thoughts.
思想崇高者，绝不会孤独。
I told him that if painting was important for him, he would live on bread in order to succeed.
我告诉他说，如果绘画对他很重要的话，那么要取得成功，就得靠啃干面包生活了。