empty!what's the meaning?

empty
vt,vi
-tied,-tying
（常与into连用）弄空；腾空
They emptied the bottle.
他们把瓶子一倒而空.
He emptied the box of books onto the floor.
他把盒子里的书倒在地板上.
The room was emptied very quickly.
这房间很快就腾空了.
"The traveler emptied out all his pockets onto the table,but still couldn't fine his passport."
"旅客把几个口袋里的东西都掏出来放在桌上,还是没有找到通行证."
They emptied three bottles of beer within half an hour.
他们在半小时内喝干了三瓶啤酒.
No waste or garbage is to be emptied on highways.
废物和垃圾不许倒在公路上.
The cinema emptied rapidly after the show.
"电影放映结束后,电影院的人很快就走空了."
（河流）流出
The stream empties itself into the river.
这小溪流入大河.
The Yangtse River empties into the East Sea.
长江流入东海.
empty
n
-ties
空箱；空瓶；空车
He took all the empties back to the shop.
他把空瓶子全退给商店了.