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单词
sarcoplasmic reticulum
释义
WordReference Random House Unabridged Dictionary of American English © 2024
sar•co•plas
′
mic retic
′
ulum
(sär′kə plaz
′
mik),
USA pronunciation
[
Cell Biol.
]
a system of membrane-bound tubules that surrounds muscle fibrils, releasing calcium ions during contraction and absorbing them during relaxation.
sarco
- +
plasm
(
a
) + -
ic
1950–55
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pit viper
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pityingly
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pityroid
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pivot
pivotal
pivotally
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更新时间:2025/12/7 2:55:31