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bis(2-hydroxypropyl)-2-methyl piperazine的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 bi:
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a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
bis(2-hydroxypropyl)-2-methyl piperazine的用法和樣例：
例句
- My hands have numbed after 2 hours' biking.
騎了兩個(gè)小時(shí)的自行車(chē)后，我的雙手都麻木了。 - Chapter 2 is mainly on the optimal harvesting policy for two mutualistic species.
第二章主要是關(guān)于互惠雙種群的最優(yōu)收獲策略。
