然而毫无防护地暴露在可预防的疾病之下则更加危险。举例来说,超过90%的未接种人群接触到麻疹后会引发感染。
The risk of unprotected exposure to vaccine-preventable diseases is far higher: for example, more than 90 percent of unvaccinated people exposed to measles will become infected.
通常在更拥挤的城市和郊区的短暂驾车或乘车中无法接触到树木或人们可游览的有沙滩和湖泊的空旷的地方。
Often within a short drive or train ride of the more congested suburbs and cities are untouched woods or open Spaces along with beaches and lakes that humans may visit.
在施力下的正常使用过程中不能产生可接触到的剪切挤压点。
There shall be no shear and squeeze points created by forces applied during normal use.
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