自然因素

natural gases───天然气（naturalgas的复数）

natural gasses───天然气

natural cycle───自然循环；自然环境

natural gas───[油气]天然气

natural laws───自然法则，自然律

natural slopes───天然坡

naturalises───vt.使入国籍；使归化；vi.加入国籍；归化（等于naturalize）

nature cures───自然疗法

natural languages───自然语言

If they had died from natural causes, they would have been different ages.───如果他们是死于自然原因，应该处于不同年龄层才对。

So if elected, I will find a cure for natural causes.───所以如果我当选, 我就要找出一种治愈自然逝世亡的疗法.

Your brother died of natural causes.───你哥哥是自然死亡。

Initially, his death was attributed by a police postmortem to natural causes.───起初, 警方验尸将其死因归于自然原因.

And despite heart disease and cancer, most Americans die of natural causes.───扣除心脏病和癌症，大多数美国人是自然死亡的。

Natural causes include drought, flooding, unfavourable weather conditions, plant disease, and insect infestation.───天然原因包括干旱 、 洪水泛滥 、 天候异常 、 虫害和植物疾病等.

Mortality is the number or volume of trees periodically rendered unusable through natural causes.───枯损是一类由于自然原因而定期变得无用的林木株数或材积.

The statistics include heart attacks and other natural causes as well as accidents to hikers, climbers, and mountain workers.

Doctors declared that Maxwell died of natural causes.

She had died of natural causes.

A postmortem revealed she died from natural causes and the coroner ruled there was no need for an inquest.

The autopsy said he had died of natural causes, but his family is not convinced.

She died of natural causes after a lengthy illness.

He died of natural causes.

Sir Charles died from natural causes, and the strange stories people are telling about his death are not true.

It is believed Mr Stamp died from natural causes.