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.

辞典例句

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.

互联网

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.

互联网

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.

互联网