请输入您要查询的英语单词:
单词
have done
释义
have done
[hæv dʌn]
1374
freq.
1902
dict.
209
cmpt.
28
spoken
1454
[网络]
现在完成时;所做的每一件事;表示做了不必做的事
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double beam densitometer
doublebeam densitometre
double beam densitometre
double beam/difference/dual wavelength recording spectrophotometer
double-beam/difference/dual-wavelength recording spectrophotometer
double-beam double focusing mass spectrometer
double-beam double-focusing mass spectrometer
doublebeam doublefocusing mass spectrometer
double beam double focusing mass spectrometer
double beam double-focusing mass spectrometer
doublebeam doublefocusing mass spectrometre
double beam double focusing mass spectrometre
double-beam dual wavelength UV-VIS spectrophotometer
double beam dual wavelength UV VIS spectrophotometer
double beam electric-null infrared spectrometer
double beamer
double-beam far-infrared Fourier spectrometer
double-beam Fizeau fringes
double-beam flame spectrometer
double beam flame spectrometer
double-beam fluorometry attachment
double beam fluorometry attachment
double beam girder-erecting machine
double beam grating spectrophotometer
double beam grating spectrophotometre
英汉翻译词典包含4368284条英汉汉英翻译词条,基本涵盖了全部常用英语单词及常用语的翻译及用法,是英语学习的有利工具。
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更新时间:2025/10/26 4:47:08