更新时间:2024-03-31 07:59作者:小编
英 ['ˈætəm] 美 ['ˈætəm]
用法:
atom是一个名词,指物质的基本单位、最小的物质单元。它可以表示原子,也可以表示极小的物体或数量。
例句1:The atom is the basic unit of matter.
例句2:This watch is so small that it's like an atom in my hand.
例句3:There isn't an atom of truth in his words.
例句4:The room was filled with atoms of dust.
例句5:The atom bomb is a powerful weapon.
同义词及用法:
1. particle
英 ['pɑːtɪkl] 美 ['pɑːrtɪkl]
用法:
particle是一个名词,指极小的物质单元或数量。它可以表示粒子、微量或语言学上的词素。
例句1:The air is filled with tiny particles of dust.
例句2:He only eats a particle of food each day.
例句3:The particle size of this substance is too small to be seen with the naked eye.
例句4:The Chinese language has a lot of particles that indicate different grammatical functions.
例句5:Scientists are studying the behavior of subatomic particles.
2. molecule
英 ['mɒlɪkjuːl] 美 ['mɑːlɪkjuːl]
用法:
molecule是一个名词,指由原子组成的最小的化学单位。它也可以表示极小的物体或数量。
例句1:Water is made up of two hydrogen atoms and one oxygen molecule.
例句2:A single molecule of perfume can create a strong scent.
例句3:This medicine works by binding to specific molecules in the body.
例句4:The scientist used a microscope to observe the movement of molecules.
例句5:The air is filled with molecules of oxygen and nitrogen.
编辑总结:
atom是一个常用的词汇,它可以表示原子、微粒、微量或基本单位。在科学领域,atom通常指物质的最小单位,而在日常生活中,它也可以用来形容极小的物体或数量。同义词particle和molecule也有类似的含义,但它们更加专业化,在不同的语境下使用会更加准确。因此,在使用这些词汇时,需要根据具体情况选择合适的词语。