现象: appearance (of things); phenomenon 短语和例子自然现象 natural phenomenon; 社会现象 social phenomenon; 向不良现象作斗争 combat unhealthy phenomena; 暂时现象 transient phenomenon; 日[月]食是一个有趣的现象。 an eclipse is an int
Example Sentences:
1.
Polymorphism in elements is called allotropy . 把元素中的多晶现象称为同素异构性。
