noun 下载 🔗分享 分米 An SI unit of length equal to 10-1 metres. Symbol: dm Examples : "The ruler was marked in both centimetres and decimetres, making it easy to measure lengths up to 30 cm. " 这把尺子同时标有厘米和分米刻度,方便测量30厘米以内的长度。 unit math science technical 与AI对话词汇游戏阅读练习