keep one's eyes on与fix on 的区别?

keep one's eyes on与fix on 的区别? keep one's eye on keep one's eyes on keep an eye on的区别 focus one's eyes on keep on one's toes keep ears open 与keep eyes on的区别 to fix one’s eyes on 如果方便的话,请留心观察身边的植物 用英语翻译 要用到（convenient,keep one＇s eyes on 求keep eyes on与keep an eye on的区别 请问keep an eyes on 如果方便的话,请留心观察身边的植物 用英语翻译 要用到（convenient,keep one＇s eyes on ） fix one's eyes on(注视）造句 feast one's eyes on sth.中文意思 take one's eyes fix one's eyes strain one's eyes hold[one's] eyes keep on your eyes on your goal open (up) one's eyesopen up one's eye与open one's eyes区别 用法