已知活性炭对很多反应是一种极好的催化剂.Activated charcoal is known to be an excellent catalyst for many reactions.蒸气回收罐中充满了活性炭.The canister is filled with activated charcoal.活性炭罐蒸气排泄阀是由真空控制的.The canister vapor - vent value is operated by v...
Malnourished children are more likely to succumb to infections.营养不良的儿童更有可能死于感染.About thirty percent of the country's children were malnourished.这个国家约有30%的儿童营养不良。The factory workers were found to be abused and malnou...