By studying the filtered starlight, astronomers can determine such a planet's atmospheric composition and also the direction and velocity that any gas lost to space is moving.

通过研究过滤后的恒星光，天文学家确定该行星大气的组成，以及气体被吹入太空的方向以及速率。

youdao

I said to her that for her composition, I could hardly make any correction or revision, because she has got the hang of it in terms of writing skills, structures, vocabulary and grammar.

我对她说, 对于她的作文, 我已经没有什么好改的了, 因为她已经基本掌握了作文的写作方法, 文章的结构, 内容编排以及词汇语法都已达到相当的水平, 完全符合高级的要求, 如果再改的话恐怕就是朝满分作文努力了.

youdao

They can be used as sources for consumers at any level within the composition hierarchy.

它们也能作为位于任意构件层级内部的消费者的源。

youdao

This intense heat they project in a parallel beam against any object they choose, by means of a polished parabolic mirror of unknown composition, much as the mirror of a lighthouse projects a beam of light.

VOA: special.2010.09.01

Pandemic experts explain a second wave does not necessarily entail any change in the composition of the virus.

VOA: standard.2009.09.04

The music probably has more disciples, like me, than any other orchestral composition.

NPR: Getting Hooked on the 'Rite' Sound

In the Lords (from 3pm) questions to ministers cover childhood obesity, reducing sugar consumption and whether the government intends to make any reforms of the composition of the House of Lords.

BBC: Week ahead

Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title.

FORBES: Software Patents and Judicial Activism