The hetero ene reaction is an important part of ene reaction.杂原子烯反应是该反应的重要组成部分.The handsome, nice and hetero men are married.又帅又好又不是异性恋的男人都解婚了.The preparation and property of urea - formaldehyde resin mocalified by heter...
Don't presume on their honesty.可别指望他们会诚实.Don't presume too far!不要太放肆！You had better presume no such thing.你最好不要这样设想。I presume to suggest that you should take legal advice.我冒昧地建议:你应该找律师咨询。Take care that you don&...