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
Save your voices.
留着点嗓子。
Oh well, you'll just have to remember their names.
好吧，你们只好记住他们的名字了。
One of links in the chain that drives the wheels had snapped.
驱动轮子的链条断了一节。