“spear”的概念、定义、翻译、参考文献-科学参考

单词	spear
释义	spear [spir] ^{DESIGN ENGINEERING} A rodlike fishing tool having a barbed-hook end, used to recover rope, wire line, and other materials from a borehole.
随便看	dinoseb dinoterb acetate DIN system diocoel dioctahedral Dioctophymatida Dioctophymoidea dioctyl dioctyl phthalate dioctyl phthalate test dioctyl sebacate diode diode alternating-current switch diode amplifier diode bridge diode-capacitor transistor logic diode characteristic diode clamp diode clamping circuit diode clipping circuit diode-connected transistor diode demodulator diode detector diode drop diode forward voltage

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