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
How's your mental health?
你的精神状态怎么样？
I'm a graduate of Yale University., I have a Bachelor of Arts degree.
我是耶鲁大学的毕业生，我有文学学士学位。
When they had gone, the driver of the car came towards him.
他们走后，汽车司机向他走来，