1 [C] a long empty pipe 管子:
Blood flowed along the tube into the bottle.血液沿着管子流到瓶子里。the inner tube of a bicycle tyre自行车轮胎的内胎☞Look at test tube. 参看test tube。
2 [C] a tube (of sth) a long thin container made of soft plastic or metal with a lid at one end. Tubes are used for holding thick liquids that can be squeezed out of them. (塑料或金属制的)软管:
a tube of toothpaste一管牙膏☞picture at container 见container插图