beneficial owner什么意思及同义词... ... be beneficial to v. 有益于 beneficial bird 益鸟 beneficial enjoyment 财产享用权 ...

情景会话口袋书人际篇... ... co-curricular 课程联合 beneficial birds 益鸟； a beneficial association 互助组合； ...

bird的英语单词是什么？_百度知道 ... n. 鸟, 禽 a useful bird 益鸟 a pernicious bird 害鸟 ...