经常以复数形式出现,这句话英文怎末说
问题描述：
经常以复数形式出现,这句话英文怎末说
答
it usually appears in its plural form.
答
sth appears in the plural
答
sth. is usually in the plural;
sth. is usually plural;
希望你说的不是数学里的“复数”complex number
答
usually used in the plural form....