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Adjective:
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curving inward
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用作形容詞 (adj.)
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The palm of one's hand is slightly concave.
人的手臂是微凹的。
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A cylinder is a hollow tube with a closed concave base that permits it to stand upright.
液化氣鋼瓶是雙層的線路，關閉的底邊是凹入的，如此需要懸垂上來。
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His figure looks very funny in the concave mirror.
他的般模樣在凹鏡里看起來非常的愚昧無知。
用作名詞 (n.)
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These are aberration-corrected holographic concave gratings.
下表下列為像差標定全息技術凹面光柵。
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The cloven hooves are sharp edged, elastic and concave.
蹄削鐵如泥，呈凹形，最富延展性。
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This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.
詳細分析說明了用擴沖法對液壓系統脹形出來凹形的護環實施修復系統的最簡單的方法。
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綜上所述內容獨代創作方法，受論著權防護，版權侵權必究
海詞字典，十二年產品
美
['k?nke?v]