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Scientifically known 3,4-methylenedioxy-N-methylamphetamine, MDMA is usually taken in pill form and supposed to be composed of the pure chemical.
科学上来说，摇头丸的组成是亚甲二氧甲基苯丙胺，通常和很纯的化学药品一起制成药丸。
《TOFEL（无字幕版）》《托福学习视频》
双语例句
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The force would be composed of troops from NATO countries.
该部队将由北约各国的军队组成。
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Services can be composed of other services.
服务可由其它的服务来组成。
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Some composite applications may be composed of several pages.
某些复合应用程序可能由一些页面组成。
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In an assembly, services can be composed of other services.
在装配中，服务可由其他服务组装而成。
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An application can be composed of many of those components.
一个应用程序能够由许多那样的组件组成。
近义词
constitutemake up