One hypothesis is that it's a natural phenomenon, that the starfish naturally undergo population fluctuations following particularly good spawning years.
有一种假说认为，这是一种自然现象；在特别适合产卵的那几年后，刺冠海星自然会经历种群数量的波动。
那是一种自然现象。
Q: Is infidelity a natural phenomenon?
问：“外遇是一种自然的现象吗？”
Magnetism is a natural phenomenon.
磁力是一种自然现象。
Lightning is a natural phenomenon.
闪电是一种自然现象。
This long dam is a natural phenomenon.
这条长堤是自然形成的。
Diagram 15 shows a natural phenomenon.
图15显示一个自然现象。
Species extinction is a natural phenomenon.
物种灭绝是一种自然现象。
The greenhouse effect is a natural phenomenon.
温室效应是一种自然现象。
But to me, selfishness is a natural phenomenon.
但对我而言，自私是一种自然的现象。
It is a natural phenomenon. It needs some outlet.
它是个自然现象，需要某个出口。
On the surface, Southwest drought is a natural phenomenon.
从表面上看，西南旱灾是一种自然现象。
Mass destruction has, historically, been a natural phenomenon.
在历史上，大规模破坏一直是一个自然现象。
Scope creep is a natural phenomenon in enterprise software development.
范围渐变是企业软件开发中的正常现象。
Here, in the thunderous lightning is probably a natural phenomenon.
这里的记载，可能就是雷鸣闪电的自然现象。
Population mobility is a natural phenomenon of economic and social life.
人口流动是一种自然而正常的经济社会生活现象。
Yeah, this season is a natural phenomenon leaves, who CARES that a marginal leaf too!
是呀在这季节落叶是自然现象，谁又管它这一片无足轻重的叶子呢！
Water flow, there is a low-lying land can form a pool, which is a natural phenomenon.
水流，有一个低洼的土地能够形成一个水池，这是一种自然现象。
We must learn to view change as a natural phenomenon - to anticipate it and to plan for it.
不妨把变化看作一种自然现象，学会感知它，计划它。
Fog is a natural phenomenon. It usually appears in the morning, so people call it morning fog.
雾是一种自然现象，它通常出现在早晨，因此人们叫它晨雾。
Movement of soil particles from one place to another by wind and water is a natural phenomenon.
运动的土壤颗粒从一个地方到另一个地方利用风和水是一种自然现象。
Lightning is a natural phenomenon that may causes heavy casualties and serious economic losses.
雷电是一种会造成重大人员伤亡和财产损失的自然现象。
Ambiguity in language is a natural phenomenon due to different thinking mode and cultural background.
语言的歧义问题是一个自然现象，这是由于思维方式、文化背景的不问造成的。
The 'flowery desert' is a natural phenomenon in which flowers of great diversity appear in July and August.
这片“鲜花沙漠”是一种自然现象，每年的七、八月份，多种多样的鲜花都会在这里盛开。
This is the growth and development of a natural phenomenon, as the children grew older, will gradually disappear.
这是生长发育的一个自然现象，随着儿童年龄的增长，会逐渐消失。
The difference between rich and poor is a historic perplexing social subject of talk and is also a natural phenomenon.
贫富差别这个一直困扰人类的社会话题，其实是一种自然现象。
Geological disaster is a type of natural calamities, which is not only a natural phenomenon but also a social economical phenomenon.
地质灾害是自然灾害中的一个重要类型，它既是一种自然现象，也是一种社会经济现象。
Geological disaster is a type of natural calamities, which is not only a natural phenomenon but also a social economical phenomenon.
地质灾害是自然灾害中的一个重要类型，它既是一种自然现象，也是一种社会经济现象。
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