翻译词组和答案
11.长成_____________________________ 12.把``````单独留下________________
13.采取以下措施_____________________ 14.使``````安全，远离危险__________
15.吐毒液___________________________ 16.砍倒，砍伐____________________
17.不再，再也不_____________________ 18.不得不，必须__________________
19.开始做某事_______________________ 20.踩，践踏______________________
11. grow into 12. leavealone
13. take the following actions 14. keep sb. Safe from danger
15. spit poison 16.cut down
17. notany longer 18.have to do
19. start to do sth. 20. step on