exis
美
英 
例句
And the ethyl acetate was the meta state of intracellular enzyme and had no correlations with the exis.
乙酸乙酯是胞内酶的代谢产物,与乙酸是否存在无关。
The sun can be said to be the source of nearly all energy, and in the absence of the sun'sheat and light, no life could exis to nearth.
可以说太阳是几乎所有能量的来源,因此,如果没有太阳的光和热,地球上就不可能有生命。(tobethe.……energy作sun的补足语。)