Nondimensional
无量纲(的), 无因次 (的)
🗣️ 情景例句
There's much more to be done.
要做的事太多了。
The police crept up from behind and took the gangster by surprise.
警察悄悄从背后绕过去，出其不意地将歹徒逮捕。
I left a suitcase on the train to London the other day.
几天前我把一只手提箱忘在开往伦敦的火车上了。