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请输入您要查询的英文单词：
单词
signum
释义
signum
英?['sa?ɡn?m]
美?['sa?ɡn?m]
释义
正负号函数
大小写变形:
SIGNUM
行业词典
昆虫学
囊突???
电工
正负号函数???
随便看
distilling industry
distilling kettle
distilling machinery
distilling material
distilling measuring cylinder
distilling off
distilling pan
distilling plant
distilling range
distilling rate
distillings
distilling ship
distilling still
distilling system
distilling tank
distilling tower
distilling tray
distilling tube
distilling tube plain
distilling tube with bulbs
distilling tube with one bulb
distilling tube with three bulbs
distilling tube with two bulbs
distilling unit
distilling vacuum flask
英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/8/12 7:41:30