在线词典

分类:语言工具
在线词典,是一款在线使用的中英文查词词典。本工具支持查询英文和中文单词及词组的含义,查询效率高、结果丰富,包括单词变体、常用短语、英英释义、同义词、同根词、词语辨析等,是外语学习者必备的在线查词工具。

A

美:[eɪ]英:[eɪ]查词链接:https://www.dute.org/dict/A复制链接
n.
英语字母表的第1个字母;A音;A类;干线公路;最高收入群体;第一列;第一已知量;表层土壤;A型血;A型号纸;A字形
abbr.
安培(ampere);A纸牌(ace);……比……(against)
查看英英释义
n.
a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
(biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
同义词:adenine
the basic unit of electric current adopted under the Systeme International d'Unites
同义词:ampereamp
the 1st letter of the Roman alphabet
同义词:letter a
the blood group whose red cells carry the A antigen
同义词:type Agroup A

常用短语
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