Mass is a ____ quantity. Mass is the amount of ____ in an object. Mass is measured in ____. Weight is a ____ quantity. Weight is a force that always acts ____. Weight is measured in ____. Weight is affected by ____. Gravity is a ____ that exists everywhere. It pulls all things with mass ____ one another. The area where gravity acts is called a ____. Gravity has a ____ effect on objects with a bigger mass. Gravity is measured in ____

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?