bite the hand that feeds one
plural of school holiday
The condition, or extent, of being prehensile.
(idiomatic) To cause harm to a benefactor (especially one that one is dependent on, thus with the idea that this behaviour is self-damaging).
conical centrifuge tube (usually 15 ml or 50 ml) with a screw-cap
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DiQt（ディクト）
無料
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