0 an object, such as a piano, guitar, or drum, that is played to produce musical sounds -- 乐器
Which instrument do you play? 你演奏哪一种乐器？
1 a tool or other device, especially one without electrical power, used for performing a particular piece of work -- 器械
He saw the theatre as an instrument of change - a way of forcing people to consider social and political issues. 他把戏剧看作变革的手段——一种迫使人们考虑社会及政治问题的方法。
The lightning had damaged the plane's instruments, and they weren't giving any readings. 闪电击毁了飞机的仪表，上面什么数据都显示不出来。
the instrument panel 仪表板
The man's injuries had obviously been caused by a blunt instrument. 这人的伤口显然是由钝器所致。
instruments of torture 刑具
surgical instruments 外科手术器械
2 a type of investment in a company or in government debt that can be traded on the financial markets -- 可以在金融市场上进行交易的投资（或政府债券）
increasingly complex financial instruments 越来越复杂的财务债券
They trade in the debt instruments of developing countries. 他们对发展中国家的债卷进行交易。
Another distinction among types of policy instruments, that between economic and judicial or regulatory mechanisms, often gives rise to a misimpression.
A number of aspects of instruments can be discussed, and appropriately relevant characteristics can be derived.
The two following sections present characteristics of networks and instruments, respectively.
Both these instruments have been used to determine the range of behaviours associated with specific syndromes, and published data are available.
Is it possible to increase the accuracy of our diagnostic instruments ?
However, the instruments used here were more practicable because of time constraints in the general medical settings.
Fourthly, although the same set of standardized instruments were used across all sites, quality of data collection might have varied.
The intra-class correlation was good for both instruments.
