持续暴露在强度高于80分贝的噪声中可能有害。Continuous exposure to sound above 80 decibels could be harmful.典型的割草机发出的声响约为90分贝.The typical lawn mower makes about 90 decibels of noise.普通的谈话即可达55分贝.A normal conversation reaches 55 decibels....
Departments of public health must enhance control over prescribed ephedrine preparations.卫生部门要加强对麻黄素单方制剂的管理.Pharmacists are required by law to give the medicine prescribed by the doctor.法律规定药剂师必须按照医生开的处方配药。The barons too...
食盐由40%的钠和60%的氯化物构成。Common salt is made up of 40% sodium and 60% chloride.氯在潮湿的情况下直接与某些金属合成氯化物.Direct and some metal composition chlorides of chlorine under the moist circumstance.当传感器暴露在三氯化物中时,有很大变化.Significant changes h...
All people like cleanness.人们都是愿意干净的.He preferred the cleanness and tidiness of the wild sod.他喜欢荒野草地的清洁和整齐.Keep cleanness, wear soft and cleanness shoes when walking on the floor.保持地板的清洁, 人在地板上行走时须穿干净软底鞋....