您要查找的是不是：
- The phenomenon of the existence of isomers. 同分异构现象存在同分异构体的现象
- Tsunami is an unfamiliar kind of phenomenon to us. 海啸对我们来说是个陌生的现象。
- The newspaper ceased to appear after an existence of three months. 该报发行3 个月后停刊了。
- Potassium is necessary to the existence of all living things. 钾是所有生物生存必须的。
- Pollution poses a threat to the continued existence of this species. 污染对这一物种的继续生存造成了威胁。
- The conduct or mode of existence of a vagrant. 流浪流浪者的行为或生存方式
- I was forced to disbelieve in the existence of God. 我不得不怀疑有无上帝。
- They lead the most precarious existence of all. 他们是人类生活中最不安定者。
- Motion is the mode of existence of matter. 运动是物质的存在方式。
- Atheists deny the existence of God. 无神论者不相信上帝的存在。
- I believe in the existence of discarnate spirits. 我相信无形的灵魂之存在。
- Do you really believe in the existence of God? 你真地相信上帝存在吗?
- Question3: so what do you think of that kind of phenomenon? 问题3:你怎么看待这种现象?
- He proved the existence of parallel lines. 他证明了平行线的存在性。
- Dimorphism The existence of two distinct forms. 二型现象：出现两种不同的类型。
- He disbelieves in the existence of God. 他不相信有上帝。
- The finds from these burial grounds point to the existence of a prosperous matriarchal society. 这些墓地中发现的东西说明曾经有过一个昌盛的母系社会。
- Light is the fleetest of phenomena. 光是最快的现象。不是吗？
- The existence of global warming is in question. 关于是否存在全球变暖的问题，仍在讨论中。
- Do you believe in the existence of God? 你相信上帝的存在吗?
