| 单词 | 化学品 |
| 释义 | 〔agrochemical〕A chemical or product, such as cellulose, derived from plants.农产品：来源于植物中的化学品或产品，如纤维素〔bromine〕A heavy, volatile, corrosive, reddish-brown, nonmetallic liquid element, having a highly irritating vapor. It is used in producing gasoline antiknock mixtures, fumigants, dyes, and photographic chemicals. Atomic weight 79.904; atomic number 35; melting point 7.2°C; boiling point 58.78°C; valence 1, 3, 5, 7. See table at element 溴：一种比重大、易挥发、有腐蚀性的棕红色非金属液体元素，有刺鼻的气味。用于生产汽油减震剂、薰蒸剂、染料和照相用的化学品。原子量79.904；原子序数35；熔点7.2°C；沸点58.78°C；化合价1,3,5,7 参见 element〔chemical〕A substance with a distinct molecular composition that is produced by or used in a chemical process.化学品：化学变化过程中产生或使用的具有明显分子构成的物质〔musk〕A synthetic chemical resembling natural musk in odor or use.合成麝香：一种类似天然麝香的香味或者用途的人工合成的化学品〔chemosurgery〕Selective destruction of tissue by use of chemicals, as for removing malignant skin lesions.化学外科疗法：使用化学品有选择地破坏组织，例如去除癌变的皮肤损伤〔agrochemical〕A chemical, such as a hormone, a fungicide, or an insecticide, that improves the production of crops.农药，农用化学品：用来增加作物产量的化学品，如激素、杀菌剂、杀虫剂〔toxic〕A toxic chemical or other substance.有毒的化学品或其它物质〔morphogen〕Any of various chemicals in embryonic tissue that influence the movement and organization of cells during morphogenesis by forming a concentration gradient.构形素，定形素：在形态发生过程中通过形成浓度梯度从而对细胞的运动和组织产生影响的胚胎组织中多种化学品的任何一种 |
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