4周搞定2000+托福核心词
subspeci = sub(下面) + speci(种类) = 下面的种类→亚种
especially = e(出去) + speci(种类) + al(...的) + ly(表副词) = 尤其地
acumen = acu(尖) + men(表物品) = 敏锐
phenomen = pheno(发光) + men(表物品) = 发现了一件会发光的物品→现象
分类展示的物品→样本
specimen
常考释义
The first microscopes were light microscopes, which work by passingvisible light through a specimen.
第一代显微镜是光学显微镜，其工作原理是将可视光透过样本。
来源于：阅读OFFICIAL38 P1n. 样品，样本；标本
Astronauts have brought back specimens of rock from the moon.
宇航员从月球带回了岩石标本。
You gorgeous specimen of what God can make!
上帝的完美杰作。
来自《像素大战》
图片源自网络
The first microscopes were light microscopes, which work by passingvisible light through a specimen.
第一代显微镜是光学显微镜，其工作原理是将可视光透过样本。
来源于：阅读OFFICIAL38 P1Specimens are cut into extremely thin sections, and the transmission electron microscope aims an electron beam through a section, just as a light microscope aims a beam of light through a specimen.
样本被切割成极其薄的切片，透射电子显微镜将电子束穿透切片，正如光学显微镜将光束透过样本一样。
来源于：阅读OFFICIAL38 P1One problem with electron microscopes is that they cannot be used to study living specimens because the specimen must be held in a vacuum chamber; that is, all the air and liquid must be removed.
电子显微镜的局限性之一是，它没法用来研究活的样本，因为样本必须保存在真空的空间里；也就是说，所有的空气和液体都必须被去除。
来源于：阅读OFFICIAL38 P1In the chest cavity of this specimen, which is housed in the Senckenberg Museum in Germany, are the fossil remains of conifer needles, twigs, seeds, and fruits.
标本存放在德国森肯伯格博物馆内，在其胸腔内，是针叶、细枝、种子和果实的化石。
来源于：阅读OFFICIAL48 P2After all, the Sun has many more atoms of any element, say iron, than does a meteorite specimen, but the ratios of iron to silicon in the two kinds of matter might be comparable.
毕竟，太阳含有的任何一种元素的原子数都要比一块陨星样品含有的多，但是两者间的铁和硅的比率可能是具有可比性的。
来源于：阅读OFFICIAL22 P3n. （化验的）抽样，血样，尿样
The doctor stuck my finger with a needle to get blood sample.
医师用一根针刺破我的手指取血样。
n. （尤指动植物的）单一实例
The aquarium has some interesting specimens of unusual tropical fish.
水族馆里有一些罕见的热带鱼，很有意思。
metallographic specimen
金相试样
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