1.Scientists from Oxford University in the UK believe they have found a bone that belonged to Santa Claus.

belong to 属于

They belong to the Knights of Columbus.
他们是哥伦布骑士会的成员)LTatDLY]@;Z。

2.Children today can track his Christmas Eve journey online.

track 追踪

Our radar began tracking the jets.
我们的雷达开始追踪那些喷气式飞机MUKU)cNccRdiAL]L1d。

L*L=qdUi=S,TkS7,xop#-F|+IfCOd[+DU(,Q!H 来源:可可英语 http://www.kekenet.com/broadcast/201712/534953.shtml