She is always concerning herself over him.
她一直在关心他。
She is always concerning herself over him.
她一直在关心他。
There is a lot of concern over the amount of herbicides and pesticides used in farming.
人们对农业
灭草剂和杀虫剂的用量非常担忧。
：
句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
