[occur]的现在进行时
- A tornado or lesser whirlwind occurring over water and resulting in a funnel - shaped whirling column of air and spray.
海龙卷水上生成的飓风或稍弱之旋风,形成漏斗状旋转的空气柱和水柱收藏 - Continually occurring;persistent.
持续的连续发生的;持续不断的收藏 - Either of two closely related pentapeptides having opiate qualities and occurring in the brain,spinal cord,and other parts of the body.
脑啡肽两种紧密相关的五肽中任何一种,具有麻醉镇静作用,在大脑、脊髓带及身体其它部分发生作用收藏 - In recent months, the Chinese and foreign press have become increasingly aware of the fatal accidents occurring in China' s mines.
最近几个月,中国和外方的媒体对中国矿井发生的灾难性事故给予了越来越多的关注。收藏 - Any of various structurally modified bacteria,such as those occurring on the root nodules of leguminous plants.
类杆细菌一种在结构上已经改变了的细菌,如存在于豆科植物根部的根瘤菌收藏
开心词场背单词

