我们正在解决的可能是我们所知的人类进化过程中缺失最大的一环。
We're dealing with probably the biggest missing link in what we know about human evolution.
他已经看到了斯皮策太空望远镜在红外波段捕捉到的这类温热尘环的证据。
He has seen evidence of these warm dusty rings in infrared radiation picked up by the Spitzer space telescope.
大量的抛射物撞击更大的天体，形成各种各样的陨石坑，包括“多环盆地”——在行星和卫星上观察到的最大的地质特征。
Massive projectiles striking much larger bodies create various kinds of craters, including "multi-ring basins"—the largest geologic features observed on planets and moons.
巨大的抛射物撞击更大的天体，创造了各种各样的陨石坑，包括多环盆地——这是在行星和卫星上观察到的最大的地质特征。
Massive projectiles striking much larger bodies create various kinds of craters, including multi-ring basins—the largest geologic features observed on planets and moons.
游泳池四周环绕着热带花园。
作为美国第一位环保主义者，约翰·缪尔一生都敢于冒险。
As America's first environmentalist, John Muir lived his life forever daring to undertake new adventures.
峡谷四周环绕着高耸的岩壁。
这种冰箱十分环保，因为它耗电更少。
The fridge is environmentally friendly because it uses less electricity.
我耐心地向他解释：“孩子，你不能吹得这么猛；你必须轻轻地在环上吹气，这样才能吹出泡泡。”
I patiently explained to him, "Son, you can't blow so hard; you must ever so gently breathe on the loop to make bubbles."
他指出，从环太平洋缓慢生长的珊瑚中获得的气候数据表明，在拉皮塔扩张时期，厄尔尼诺现象曾频繁爆发，这很不寻常。
He points out that climate data obtained from slow-growing corals around the Pacific indicate a series of unusually frequent El Ninos around the time of the Lapita expansion.
400年前，伽利略首先发现了土星环。
奥运五环象征着五大洲。
四环素类药物会与钙螯合，沉积在骨骼中。
最顶层的是超热日冕，由日冕环和电离气体流组成。
At the top is the super-hot corona, which is made of structures such as loops and streams of ionized gas.
德国经济二季度走出衰退，季环比增长0.3%。
The German economy pulled out of recession in the second quarter, growing by 0.3% quarter-on-quarter.
1924年巴黎（法国）奥运会的奖牌上首次出现了五环。
The rings appeared for the first time on the winners’ medals at the 1924 Games in Paris (France).
又铸四个金环，安在柜的四脚上，这边两环，那边两环。
He cast four gold rings for it and fastened them to its four feet, with two rings on one side and two rings on the other.
驱车行驶在三环路上，我感到仿佛是在观看一部快进的电影。
Driving on the third ring road in Beijing, I felt like was watching a movie in fast-forward.
他是一位环保人士，经常宣传和支持大自然保护事业。
He is an environmental conservationist and often advocates and supports natural causes.
拥有一个网站和博客在现今也是求职所需要的重要一环。
Having a website and blog is part of the package these days.
也要铸四个金环，安在柜的四脚上；这边两环，那边两环。
Cast four gold rings for it and fasten them to its four feet with two rings on one side and two rings on the other.
天文学家长期认为黑洞应该是由一环尘埃和气体包围着的。
Astronomers have long thought that a black hole ought to be surrounded by a torus of dust and gas.
这一系列的第一帖，我就从防守的最后一环——中后卫——说起。
Starting a series of posts I start with the last line of the defence, central defenders.
这一系列的第一帖，我就从防守的最后一环——中后卫——说起。
Starting a series of posts I start with the last line of the defence, central defenders.
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