| English | Chinese |
| ABC of natural sciences | 自然科学人门 |
| Academy of Natural Science | 理学院 |
| air natural | 自然通风〔冷却〕的 (cooled) |
| American Natural Gas Co. | 美国天然气公司 |
| artificial rebids after natural no trump | 自然无将开叫后约定性再叫 |
| artificial responses after natural no trump | 自然无将开叫后约定性应叫 |
| As one of the natural fibers, jute is grabbing more and more attention for its unique advantages | 黄麻作为天然纤维的一种，因其独特的优势越来越受到关注 |
| base of Naperian or natural system of logarithms | number 2.7182814+自然对数的底等于2.7182814 + |
| Before you reach for the cough syrup, try one of these natural remedies | 在你使用咳嗽糖浆之前，试试这些天然疗法的其中之一吧 |
| California Natural Gas Association | 加利福尼亚天然气〔业〕协会 |
| Center for Natural Resources, Energy and Transport | 联合国自然资源、能源和运输中心 |
| Chemistry of Natural Compounds | 天然化合物学英译俄刊 (美) |
| come natural to | M 对M来说是轻而易举的 |
| die a natural death | 寿终正寝 |
| doctor of natural science | 理科博士 |
| El Paso Natural Gas Products Co. | 埃尔帕索天然气产品公司美 |
| Gem art painting is made through a kind of super high craft, which is made of Burma natural ruby, sapphire, emerald, garnet, olivine, agate, crystal, and many kinds of natural gem or precious metal materials | 宝石艺术画是通过一种极高的工艺制成的，由缅甸天然红宝石、蓝宝石、翡翠、石榴石、橄榄石、玛瑙、水晶，以及各种天然宝石或珍贵金属材料构成 |
| in the natural course of event | 按通常情况 |
| in the natural course of event | 按照常规 |
| in the natural course of events | 按照事情自然发展的程序 |
| Institute for the Development of Renewable Natural Resources | 再生自然资源发展研究所 |
| International Union for Conservation of Nature and Natural Resources | 国际自然与自然资源保护协会 |
| it is quite natural that... | …是很〔十分〕自然的 |
| it is quite natural that... | 十分 〔很〕自然… |
| it is natural for M to + inf. | 很自然地 (做) |
| it is natural for M to | 对 M 来说 做是自然的 (+ inf.) |
| logarithm, natural | 自然对数 |
| Male recreational shoes stress natural pure, and sneakers and short boots adapted to the mainstream style are the need of outdoor activities | 男休闲鞋强调的是自然纯真，运动鞋和短靴是主流款式，以适应室外活动的需要 |
| natural bidding | 自然叫牌法 |
| natural-born | 生来的 |
| natural call | 自然叫 |
| natural-color | 彩色的 |
| natural-color | 天然色的 |
| natural-colour | 彩色的 |
| natural-colour | 天然色的 |
| natural disaster | 自然灾害 |
| natural draught | 自然通风 (draft) |
| Natural Environmental Research Council | 自然环境研究委员会英 |
| natural forest | 天然林 |
| natural four no trump | 自然四无将 |
| natural-function | 解析函数 |
| natural-function | 自然函数 |
| Natural Gas and Processors Suppliers Association | 天然气加工与供应商协会美 |
| Natural Gasoline Association of America | 美国天然汽油业协会 |
| natural history | 博物学 |
| natural history | 自然科学 |
| natural logarithm | 自然对数以e 为底的 |
| natural philosophy | 自然哲学〔科学〕 |
| Natural Product Reports | 天然产物报告英 |
| Natural Product Updates | 天然产物快报英 |
| Natural Resources Forum | 自然资源论坛英 |
| Natural Resources Research Institute | 自然资源研究所美国怀俄明大学所属的 |
| Natural Rubber Bureau | 天然橡胶局 |
| Natural Rubber Development Bureau | 天然橡胶发展局 |
| Natural Rubber News | 天然橡胶新闻美国杂志名 |
| Natural Rubber Producers' Research Association | 天然橡胶业研究协会 |
| natural school | 自然门 |
| Natural talc is a multimineral aggregate | 天然滑石矿是多种矿物的集合体 |
| natural waves | 天电 |
| natural weight | 天然固有重量 |
| Nevada Academy of Natural Science | 内华达州自然科学院美 |
| Northern Natural Gas Co. | 北方天然气公司美 |
| oil-immersed natural cooling | 奥地利标准委员会 |
| oil-immersed natural cooling | 油浸自然冷却的变压器 |
| Southern Natural Gas Co. | 南部天然气公司美 |
| super natural rubber | 精制天然橡胶 |
| The Mekong is a river blessed with breathtaking natural beauty | 湄公河风光优美，景色秀丽 |
