物

• These cultures can be maintained indefinitely .
  这些培养物能无限期地保存。
• Many iron minerals are only slightly magnetic .
  不少铁矿物只有微弱的磁性。
• They bind to antigen--antibody complexes .
  它们粘附在抗原抗体复合物上。
• The waste material and water carried in sewage .
  污水，污物从下水道中排出。
• The drain should be soft and pliable .
  引流物应是软而易弯的。
• This lagoon "divider" consist of sand .
  泻湖这个“分水岭”是由砂质物构成的。
• Some hawks and owls bolt their prey whole .
  有些鹰类和鸟类把猎获物整个吞食。
• Basically, joe is a marine animal .
  乔基本上是一个海生动物。
• The poisonous chemicals are called mycotoxins .
  这种有毒化学物叫做菌霉毒素。
• These enzyme aggregates provide a mechanism .
  这些酶的聚集物提供了一种机制。