instrument

• A pen is an instrument used for writing with ink .
  钢笔是使用墨水的书写工具。
• There is both instrument and player .
  既要考虑到乐器，又要考虑到演奏乐器的人。
• Today all instruments are copies of original .
  今天所有的仪器都仿照原始的样子。
• The nurse is sterilizing the surgical instruments ..
  护士在把外科手术器具消毒。
• The viola is a stringed instrument .
  提琴是一种弦乐器。
• This instrument is highly sensitive .
  这架仪器很灵敏。
• These instruments are extremely compact and economical .
  这些仪器体积极小，十分经济。
• These instruments are capable of very high precision .
  这些仪器可以达到很高的精密度。
• The imperfections of the instrument increase this value .
  仪器的缺点又加大了这个数值。