adj. 1.仪器的，器械的，器具的 〔cf. vocal〕。 2.乐器(上)的，为乐器谱曲的，用乐器演奏的。 3.作为手段[工具]的，有帮助的，起作用的。 4.【语法】工具格的。 短语和例子 instrumental drawing 器械画。 instrumental errors 仪器误差，仪表误差。 an instrumental ensemble 器乐重奏曲。 instrumental music 器乐。 instrumental parts 器乐部。 be instrumental to a purpose 对目的有帮助。 instrumental in improving the qualities of our products 有助于提高我们产品的质量。 -ist 1.n. 器乐演奏者；工具主义者。 2.adj. 主张工具主义的，根据工具主义的。
relating to or designed for or performed on musical instruments; "instrumental compositions"; "an instrumental ensemble"
serving or acting as a means or aid; "instrumental in solving the crime" 同义词：implemental, subservient,
An instrumental is a musical composition or recording without lyrics, or singing, although it might include some non-articulate vocal input; the music is primarily or exclusively produced by musical instruments.
例句与用法
1.
We had been instrumental in all these negotiations . 在所有这些谈判中，我们一直是大力协助的。
2.
Earthworms may be instrumental in dispersing fungi or bacteria . 蚯蚓可能是散布真菌及细菌的工具。
3.
These tests require an extremely sophisticated instrumental effort . 这些试验需要极其尖端仪器才能办到。
4.
Any description of instrumental techniques suffers from the fact . 对于仪器技术的任何描述都面临着这样一个现实。
5.
The isoseismal maps are valuable complements to the instrumental records . 等震线图是仪器记录有价值的补充资料。
6.
He had been instrumental in arranging the looking-over dinner in paris . 他在安排巴黎的考察宴会方面显然起过作用。
7.
In structural mechanics it frequently happens that the force p is instrumental in causing the displacement u . 在结构力学中，经常遇到力p是引起位移u的原因。
8.
They sang without instrumental accompaniment--or, more accurately in their case, without any interference . 他们唱歌没有乐器伴奏--在他们这种情况下，更正确地说，是没有干扰。
9.
The symphony is subjected to variation in harmony, rhythm, meter, and tempo, dynamics, register and instrumental color . 这部交响乐在和声、节奏、节拍、速度、力度、音区和乐器色彩上有所变化。
10.
The symphony is subjected to variation in harmony, rhythm, meter, and tempo dynamics, register, and instrumental color . 这部交响乐在和声、节奏、节拍、速度、力度、音区和乐器色彩上有所变化。
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