英语翻译1.Players in the rugby match must wear helmets to ______
英语翻译
1.Players in the rugby match must wear helmets to ______(保护
头部以免受伤)
2.Scientist are trying to develop a similar material,like____(蜘蛛
用来织网的丝)
3.It is said that a spider's poison____(可以被用来治疗脑部疾病)