2. The line at the check-in was already dispersing. 在登机手续办理处排的队已在散开了。
3. When handled by experts, bio-control is safe, non-polluting and self-dispersing. 由专家控制时，生物防治安全、无污染并且能够自我分散。
4. This friction tends to slow the speed of winds, making them far less efficient at dispersing pollutants. 这种摩擦往往会减慢风的速度，使它们吹散污染物的效率大大降低。
5. By 8,200 B.C., drought conditions were so severe that the people abandoned their long-established settlement, perhaps dispersing into smaller camps. 公元前8200年的时候，旱情十分严重，这使得人们放弃了居住已久的定居点，并可能散居到更小的营地中去了。
