The W.H.O. safety standard for ozone levels is somewhere about a hundred.

世界卫生组织关于臭氧层的安全标准约为100。

柯林斯例句

Last week in Bangkok he presented a W . H . O. report on the problem.

上周他在曼谷就此问题发表了一份世界卫生组织的报告.

互联网

The W . H. O. says studies suggest that about half of these problems preventable.

世界卫生组织表示,研究表示这些问题中约一半是可以避免的.

互联网

The W . H . O . says dengue is spreading to new areas and producing major outbreaks.

世界卫生组织表示登革热正在蔓延至其他地区,爆发新的疾病.

互联网

The W - H - O also suggests having antiviral drugs ready in case people get sick.

世界卫生组织还建议要预备好抗病毒药,以防万一.

互联网

Yet the W - H - O says the limited number of human infections to date is a good sign.

世界卫生组织表示,值得欣慰的是到目前为止只有极少数人被感染.

互联网

The W . H . O . says, dengue is spreading to new areas and producing major operatesoutbreaks.

世界卫生组织说, 登革热正蔓延到新的地区并产生重大疫情.

互联网

The WHO W . H . O . says dengue is spreading to new areas and producing major outbreaks.

世界卫生组织说登革热正向新地区传播并产生严重的发病率.

互联网