1.C 管，软管 a hollow round pipe of metal; soft metal container for pastes, paints, etc. 2.S 〈英〉地铁 underground railway 3.U 电子管；显像管 electron tube; valve
基本要点
英式英语中tube可表示“地下铁道，地下电车”；而在美式英语中则用subway表示。
句型例句
A test tube is closed at one end and open at the other.试管一端封闭，一端开口。 The artist has several tubes of red paint.这艺术家有几管红色颜料。 You may get to the railway station by tube.你可以乘地铁到火车站。 Our television tube has broken.我们的电视机的显像管坏了。