地球人

"The material mix in this belt is most reminiscent of the stuff found in lava flows on Earth," Lisse said. I thought of Mauna Kea material when I first saw the dust composition in this system - it contains raw rock and it's abundant in iron sulfides , which are similar to fool's gold .

& &这个尘埃巨带中的混合物质使人想到地球上熔岩流中发现的物质，&利斯说，&第一次看见这个恒星系统中尘埃的组成成分时，我想起了夏威夷莫纳克亚山上的物质——其中包含原岩，富有含铁硫化物，类似于黄铁矿。

In the first known quantitative reckoning, Antoni van Leeuwenhoek estimated in 1679 that the inhabited area of Earth was 13,385 times larger than Holland and that Holland's population then was about one million people.

雷文霍克是已知从事这种量化推论的第一人。1679年，他估计地球上有人居住的面积是荷兰的1万3385倍，而荷兰当时的人口大约有100万。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。