System sand
[机] 循环处理砂
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
Yes, we are surprised to meet you here.
是的，我们意外在这儿见到了你。
If he doesn't, will you paint it?
如果他不，你会油漆它吗？
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。