英语翻译
1.Playersintherugbymatchmustwearhelmetsto______(保护
头部以免受伤)
2.Scientistaretryingtodevelopasimilarmaterial,like____(蜘蛛
用来织网的丝)
3.Itissaidthataspider'spoison____(可以被用来治疗脑部疾病)