are they mechanics or engineers是什么意思

are they playing or working是什么意思 theoretical mechanics是什么意思 fluid mechanics是什么意思 They are mechanics. (划线部分提问）——（ ） are their ( )? The engineers are so busy that they have zero time for outdo [周报1期T14] The engineers are so busy that they have zero time this shirt is （my brother’s ） they are （mechanics） Helen is engineers with entrepreneurial mindsets是什么意思 or ducks they geese are Are they ( )rice or meat? 按要求改写句子how do you do【给出回答】they are 【engineers】针对划线部分提问this y they are appies是什么意思