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单词
research and development
释义
research and development
n.
(in industry etc.) work directed towards the innovation, introduction, and improvement of products and processes
(
产品、工艺等的
)
研究和开发,研发
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sphinx
sphygmo-
sphygmogram
sphygmograph
sphygmographic
sphygmographically
sphygmography
sphygmological
sphygmology
sphygmomanometer
sphygmomanometric
spic
spic
spica
spicate
spicated
spiccato
spice
spicebush
spicey
spicily
spiciness
spick and span
spicular
spiculate
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更新时间:2026/8/15 12:53:59