adjective🔗Share满射的，盖射的 (of a function) Assuming each of the values in its codomain; having its range equal to its codomain."Considered as a function on the real numbers, the exponential function is not onto."如果将指数函数看作实数域上的函数，它就不是满射的。mathfunctionessentialChat with AIVocabulary GamePractice Reading
preposition🔗Share到...上面，在...之上 Upon; on top of."My cat just jumped onto the keyboard."我的猫刚刚跳到键盘上面了。positionplaceessentialChat with AIVocabulary GamePractice Reading
preposition🔗Share意识到，察觉到。 Aware of."The thought-police were onto my plans of world domination."思想警察已经意识到我统治世界的计划了。attitudemindessentialChat with AIVocabulary GamePractice Reading
preposition🔗Share映上的，满射的。 Being an onto function with a codomain of (see below)."The exponential function maps the set of real numbers onto the set of positive real numbers."指数函数将实数集映射到正实数集上，并且是满射的。mathfunctionessentialChat with AIVocabulary GamePractice Reading
