atom
a
æ
t
t
o
ə
m
m
(微粒)
原子
(science) the smallest part of a chemical element that is found in the nature
示例
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The atom is composed of a nucleus containing protons and neutrons, surrounded by electrons.
Atoms of different elements have distinct properties based on their atomic structure.
molecule
m
m
o
ɑ
l
l
e
ə
c
k
u
ju
l
l
e
(微粒)
分子
the smallest structure of a substance consisting of a group of atoms
element
e
ɛ
l
l
e
ə
m
m
e
ə
n
n
t
t
(要素)
元素
a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties
acid
a
æ
c
s
i
ə
d
d
(酸性物质)
酸
a water-soluble chemical substance that contains Hydrogen and has a sour taste or corrosive feature with a PH less than 7
gas
g
g
a
æ
s
s
(气)
气体
the state of a substance that is neither solid nor liquid
liquid
l
l
i
ɪ
q
k
u
w
i
ɪ
d
d
(液态物质)
液体
a substance such as water that flows freely, unlike a gas or a solid
solid
s
s
o
ɑ
l
l
i
ɪ
d
d
(实物)
固体
a substance that is firm and has a certain shape, not like gas or liquid
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