Teeth need to be check once every two years.中的once是什么意思,起身作用
Teeth need to be check once every two years.中的once是什么意思,起身作用
once two years 怎么翻译
BE HELD EVERY 4 YEARS be held once for four years
英语翻译高中英语语法解释加翻译______ once every two years,whether it is a c
一道英语语法选择题_____ once every two years,whether it is a car,a bu
_____ once every two years, whether it is a car, a bus or a
___________ once every two years,whether it is a casr,a bus
two,brush,we,need,teeth,our,to,times,day,every连词成句
every和once 有什么区别啊?例如every two days 和once two days
he goes to the library once every two weeks.句型转换
Hard to recur once.是什么意思?
once to be seen 和once being seen的区别