Black-sand
[地质][冶] 黑砂
🧩 词语组成解析
black
[blæk]
adj. 黑（色）的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
What would you like to be doing two years from now?
两年后你希望自己在做什么？
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在军队工作.他就被提拔为少校。
In that case, we'd like cash on receipt of invoice.
这样的话，您在收到帐单时请付现。