| 释义 |
artificial synthesis
基本例句
人工合成
High grade cosmetic uses high grade burden, as to it it is natural artificial still complex nots matter.优质化妆品是用优质配料的，至于它是天然的还是人工合成的都无关紧要。
In addition there are many natural and artificial radioisotopes and radioisotopes new synthetic elements.此外还有许多天然放射性同位素和人工放射性同位素和人工合成新元素。 |