To mast a language is not an easy thing.请问:其中掌握用to mast还是用to master,或是别的词?
问题描述:
To mast a language is not an easy thing.
请问:其中掌握用to mast还是用to master,或是别的词?
答
To mast a language is not an easy thing.
请问:其中掌握用to mast还是用to master,或是别的词?