Fax machines were a wonderful invention at the time.
传真机在当时是一项了不起的发明。
英语解释:a thing or an idea that has been invented 发明;创造:
,
Fax machines were a wonderful invention at the time.
传真机在当时是一项了不起的发明。
英语解释:a thing or an idea that has been invented 发明;创造:
,