质点 Save Sign in to save words Traditional (Taiwan): 質點 zhìdiǎn ㄓˋ ㄉㄧㄢˇ point mass particle Character by character 质(zhì)character 点(diǎn)point A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0