abbr.tube-in-tube 列管式,管套管;
例句:
Le plus t? t sera le mieux.
越早越好.
Jim was no end upset because he couldn't't go swimming.
吉姆对于不能去游泳,感到相当沮丧.
I know T / T is the quickest way and the commission is higher.
我知道电汇是最快捷的方法,但手续费较高.