He calls it a "contraption", using his favourite word of the moment.他用了眼下他最喜欢说的“玩意儿”一词来称呼它。Does this contraption work?这个奇妙的玩意儿能用 吗 ?a Heath Robinson contraption复杂而不实用的装置...a strange contraption called the General Gordon ...
The helicopter rotor blade deicing technique is greatly important to ensure the flight safe - ty.直升机旋翼桨叶除冰技术对保证直升机飞行安全是十分重要的.It is best to allow the rotor to rotate freely.最好让转子自由旋转.The rotor has recesses in its three fa...