overgrow是什么意思
音标:英 [‘əʊvəˌgrəʊ]美 [‘oʊvəˌgroʊ]
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
overgrow的用法和例句：
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
