埃的用法和样例：
例句
-
流星体活动在空间的固体天体，比小行星小，至少与尘埃一样大
A solid body, moving in space, that is smaller than an asteroid and at least as large as a speck of dust. -
空气里弥漫着烟雾和尘埃。
The air is loaded with smoke and dirt. -
过滤网可存住空气中的尘埃。
A filter traps dust from the air. -
路上尘埃滚滚。
Eddies of dust swirled in the road.
