切空间 qiēkōngjiān tangent space Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 他们拥有他们所需要的一切空间。 tāmen yōngyǒu tāmen suǒ xūyào de yīqiè kōngjiān. They have all the space they need. Source: CCMatrix