单词	keep a check on
释义	keep a check on See check¹
随便看	befuddling be fulfilled be full be full bottle on be full bottle on be full-grown be full of be full of it be full of it be full of life be full of the joys of spring be full of the joys of spring be full of wonder be full to capacity be fully developed be furious befurred beg begad be gagging be gagging for be gagging for began began begans 什么是月震？什么是有机农业？什么是朔望？什么是未来主义？什么是机器人? 什么是机场流量控制? 什么是机枪? 什么是杀伤性宇宙云？什么是杂草？什么是杂食性恐龙？ Heizschleife Heizspannung Heizspirale Heizspule Heizstab Heizstab_Ende Heizstelle Heizstoff Heiz_Strahler Heizstrecke

keep a check on