vt. 在...上长满, 长得太大使...不适用
vi. 长满, 长得过大
v. grow too large
v. become overgrown
v. grow beyond or across
1.The grazers, in their turn, keep the corals free of seaweeds and parasites that would otherwise overgrow the reef.
食草鱼又会 清除珊瑚上的海草和寄生虫 避免它们在珊瑚礁上过度生长