unexpected movement造句

• If you made unexpected movements they yelled at you from the telescreen .
  如果你随便乱动，他们就会从电幕中向你吆喝。
• Risks of unexpected movements in exchange rates are inherent in foreign exchange markets
  外汇汇率难以预料的变化是外汇市场内在的风险。
• The use of modern disposable needles has made breakage during local dental anesthesia rare , with the problem being largely restricted to needles of poor quality and situations of improper manipulation , unskilled technique , or sudden unexpected movement by the patient
  摘要由于目前使用抛弃式麻醉针头，使得在施行口内注射麻醉剂时，发生断针的情况已降低很多，但如果针头制造品质不良、器械使用不当、操作技巧不纯熟以及病人的过度反应等情形之下，仍然会有断针的可能发生。