你一天用两次 他只能用三个月 再把以后一定要买新的 你一定要有正确的刷牙方法 (使用被动语态) 80词左右
有点短啊 可不可以长点啊?
追答This is a toothbrush.It is made of nylon and if's made in Shanghai.It is usually used for brushing teeth so that you can have a beautiful smile.
You may use it twice a day,once in the morning and the other in the evening.
It can only be used for 3 months. After that you should buy a new one.
To keep your teeth clean,you must brushing your teeth in the right way.Or your teeth will have some problems.
英语书面表达九年级配套第九单元 这件东西叫做牙刷 。它是用尼龙制造...
This is a toothbrush.It is made of nylon and if's made in Shanghai.It is usually used for brushing teeth.You may use it twice a day.It can only be used for 3 months. After that you should buy a new one.To keep your teeth clean,you must brushing your teeth in the ...
列举十种中国发明的东西,我只知道四大发明还有算盘,还有什么呢?小学三 ...
按照西方的传统说法,用符号“0”来表示零,是印度人在公元九世纪发明的,它出现在公元870年瓜摩尔的碑文中。但是,实际上,符号“0”的出现要比这早得多。在公元683年柬埔寨和苏门答腊的碑文中,以及在公元686年苏门答腊附近的邦加岛上的碑文中,均出现这一符号。一些专家认为,这些国家出现的零的符号,是由中国传过去的,...