请输入您要查询的英文单词:
单词
petrochemistry
释义
pet·ro·chem·is·try
(p
ĕ
t
′
r
ō
-k
ĕ
m
ĭ
-str
ē
)
n.
1.
The chemistry of petroleum and its derivatives.
2.
The branch of geochemistry that deals with the chemical composition of rocks.
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usher
usherette
USIA
USMC
USN
USNA
usnea
usnic acid
USNR
USO
USP
Uspallata Pass
USPO
USPS
USPTO
usquebaugh
USS
Ussher
USSR
Ust-Kamenogorsk
Ust-Kamenogorsk
usu.
usual
usually
usualness
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更新时间:2025/7/25 2:19:40