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China has been studying the technical feasibility of exploring Mars and asteroids.

Ye Peijian from the Chinese Academy of Space Technology is chief scientist with the country's lunar probe mission. He says China’s space researchers have tackled some of the most difficult technical issues associated with the exploration of Mars.

However, he says, the projects are only at the technical preparation stage, which suggests that it will still be some time before an official project starts.

The scientist is a vocal advocate for a China Mars mission. He says that if the project was given the green light, the probe should orbit, land, and explore the surface of Mars all in one mission.

He says as a developing country, China should narrow its focus to the exploration of certain planets and asteroids.

feasibility n. 可行性

asteroid n. 小行星

Chinese Academy of Space Technology n. 也称China Academy of Space Technology，中国空间技术研究院。1968年2月在北京成立。是中国空间技术的主要研究中心和航天器的研制及生产基地。

lunar probe n. 月球探测，月球探测器 由于后面接的是mission（任务），可见此处的lunar probe指的是月球探测

a vocal advocate for something/somebody 某物或某人的热烈拥护者，此处的advocate为名词。
例句：
Cher has always been a vocal advocate for gay rights. That’s certainly part of the reason she’s such a huge gay icon. （雪儿一直以来都是同性恋权益的热烈拥护者。这也是她为什么如此受同性恋群体欢迎的部分原因。）

advocate也可直接作及物动词，效果不变。
例句：
As a responsible media outlet, we do not advocate the use of graphic images of violence under any circumstances. （作为一家负责的媒体机构，我们在任何情况下都不提倡使用赤裸裸的暴力画面。）

give the green light v. 批准，开绿灯 经常以被动语态be given the green light的形式出现。
例句：
I tend to be quite daring, but even I find the project too ambitious to pull off at this time. I don’t think it will be given the green light. （我一向是比较大胆的，但是连我都觉得这个项目太具野心，现阶段无法实现。我不觉得它能被领导层批准。）

orbit v. 盘旋，绕轨道运行，进入轨道 源自名词orbit，轨道