拼写

Good online dictionaries to help with spelling:

帮助拼写检查的在线词典

• http://www.thefreedictionary.com/

• American Heritage Dictionary, 5th Ed.

https://ahdictionary.com/

Spellcheckers

拼写检查工具

but remember that it won’t catch mistakes like from/form, trial/trail…

但是拼写检查工具不能查出像from/form, trial/trail之类的拼写错误…

Stylebooks

写作与编辑手册

• Scientific Style and Format: The CSE Manual for Authors, Editors, and Publishers, 7th edition

• American Medical Association Manual of Style: A Guide for Authors and Editors, 9th edition

• The Chicago Manual of Style, 15th edition

• The ACS Style Guide: A Manual for Authors and Editors, 3rd edition

Grammar Books

语法参考书

• The Gregg Reference Manual

• The Little, Brown Handbook

Dictionaries

词典

• The American Heritage Dictionary

• Longman Dictionary of American English

• Merriam-Webster’s Collegiate Dictionary

• Oxford ESL Dictionary

Online Resources

在线资源

•https://owl.english.purdue.edu/owl/

•https://ntrs.nasa.gov/search.jsp?R=19900017394

•https://sites.google.com/a/iolani.org/kg2/

•http://englishplus.com/grammar/punccont.htm

•https://ahdictionary.com/

•http://www.thefreedictionary.com/

•http://englishplus.com/grammar/mistcont.htm