例句 |
High levels of lead could damage the intellectual development of children.铅含量过高会损害儿童的智力发展。Both children have abnormally high levels of lead in their blood.两个孩子血液中的铅含量都异常地高。Tests revealed an unhealthy level of lead in the water.试验结果表明水中的铅含量达到了致病水平。There was a high level of alcohol/lead in his blood.他的血液中酒精/铅含量高。 |