流动: 1.(液体或气体移动) flow; run; circulate 短语和例子河水缓缓地流动。 the river is flowing slowly. 空气流动。 the air is circulating.2.(经常变换位置) going from place to place; on the move; mobile 短语和例子流动电影放映队 mobile film
净: Ⅰ形容词1.(清洁; 干净) clean 短语和例子擦净 wipe sth. clean; 窗明几净 with bright windows and clean tables; bright and clean; 净水 clean water; 这件褂子没洗净。this jacket hasn't been properly washed.2.(净尽;没有剩余) empty