molecule, atom, particle, speck, grain

名詞 molecule:

1. (physics and chemistry) the simplest structural unit of an element or compound
2. (nontechnical usage) a tiny piece of anything
   同義詞：atom, particle, corpuscle, mote, speck

1. Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.
   聚合物許多天然和人工合成的化合物中的任一種，通常具高分子的重量，包含最多可達上百萬個的彼此重復且相連的單位，每一個單位都是一個相對較輕和較簡單的分子
2. Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
   兩個氫原子和一個氧原子結合而成一個水分子。
3. We can see many molecules flying in the air when a sunbeam penetrated the dark room.
   當一束光線穿進暗淡的房間時，我們可以看到空氣中有許多小顆粒在飛舞。

mol.e.cule

n.Abbr. mol.（名詞）縮寫 mol.
The smallest particle into which an element or a compound can be divided without changing its chemical and physical properties; a group of like or different atoms held together by chemical forces.
分子：能被分的沒改變化學和物理成分的一個單元或化合物的最小粒子；由化學力聚在一起的一組相似或不同的原子
A small particle; a tiny bit.
小粒；一點兒

來源：
French molécule
法語 molécule
from New Latin môlôcula
源自 現(xiàn)代拉丁語 môlôcula
diminutive of Latin môlôs [mass]
拉丁語 môlôs的小后綴 [物質]