That means the toothbrush handle should fit comfortably in your hand and the toothbrush head should feel comfortable in your mouth and be able to reach every tooth surface.
那就是说，牙刷柄应该合手，牙刷头应该合嘴并能刷到牙齿的每个面。
2
What finally killed him on August 3rd 2007 was a blow to the head so severe that the postmortem found a tooth in his stomach.
然而在2007年8月3日使其致命的是头部的严重一击以致在尸检时在其胃部发现一颗牙齿。
3
To see expert solutions to gum disease and learn how to head off disease and tooth loss, check out how to Manage gum disease.