mathematics 数学 mathematician 数学家 arithmetic 算术 calculation 计算 calculator 计算器 abacus 算盘 n... [查看全文]
chlorophyll 叶绿素 amino acids 氨基酸 protein 蛋白质 nitrogen 氮 photosynthetic(adj.) photosynthesis(n.) 光... [查看全文]
archaeology 考古学 archeologist 考古学家 paleontology 古生物学 anthropology 人类学 anthropologist 人类学家 ... [查看全文]
agriculture 农业 agriculture (farming) 农业 agricultural 农业的 land (soil) 土壤;土地 soil conservation 土... [查看全文]
toll precious prosperous prosperity rich rare asset fortune opulence finance economic indigen... [查看全文]
1 astronomer n. 天文学家 During his own tenure as astronomer royal, from 1720 to 1742, Halley studiously tr... [查看全文]
insular island peninsula islet marine maritime moist ledge oasis tide ebb continent terres... [查看全文]
higher education 高等教育 moral character 道德品质 domain 领域 faculty 全体教员 alumni 男校友 treasurer... [查看全文]
ecology 生态学 ecologist 生态学家 ecosystem 生态系统 balance (of nature) 自然界生态平衡 fauna 动物群 flo... [查看全文]
chemical property 化学特性,化学性质 chemical composition ( makeup ) 化学成分 chemical agent 化学试剂 chemic... [查看全文]