2.滑冰马拉松skating marathon
1.收集贝壳collect shells
25.与某人度过时光spend time with sb
Unit 6
24.手机mobile phone
23.能够be able to/can
22.实际上in fact
21.很难做某事have a difficult/hard time
20.受伤get injured
19.一直all the time
18.捐给慈善机构give…to charity