不理解这句英语you must drop down to 6 units for this fall to ensure

you must watch your steps so as not to fall down这句话中的watch y drop down to the To ensure that no student drop out of school for lack of mon to select drop down menus who are you going to have(type)this lette for you?不理解这里的时态 i asked god to ensure that you will one day fall in love wit 英语翻译A drop of water was about to fall.此句英语翻译成“一滴水即将滴落”,为什么用“ 连词成句 down ,to ,not,care,take,fall You don't want your pants to fall down,_____? fall down 和drop off please ensure that the handset is set to portrait for this this'll cut you down to