is that

• What the fug is that swill ?
  这乌七八糟的是什么玩意儿？
• The most usual system is that of the decibel scale .
  最常用的系统为分贝标度系统。
• Where is that god-damned pen ?
  那枝该死的钢笔哪儿去了？
• The orders are that we stay here .
  命令是留守这地方。
• The pity is that you cannot come .
  可惜的是你不能来。
• What song is that you are singing ?
  你唱的什么歌呀？
• A rather more complex case is that of steric isomerism .
  更复杂的情形是立体异构问题。
• The trouble is that i can not use them in conversation .
  问题在于我不能在会话中应用。
• If the price is 500 , let us say , is that too much ?
  500英镑吧，我们说是不是太贵了？
• Is that dog alive or dead ?
  那条狗是活的还是死的？