n. 管,管状物;电子管;地铁;电视机;
vt. 把…装管;把…弄成管状;用管输送;
vi. 乘地铁;不及格;
tub- 表”管道”
🗣️ 情景例句
Sit down, sit down. Have some coffee.
请坐, 请坐。喝点咖啡。
The death of wolves is the safety of the sheep.
群狼一死众羊安。
The man who manoeuvres carelessly into his five shillings worth of space ,at one of Europe's myriad permanent sites may find himself bumping a Bentley.