True. Contrails are clouds from the wispy vapours of aeroplanes, and they have been officially recognised by this global reference book.
4. Which word in the text could mean the opposite of 'professional'?
Amateur.
【'New' wave-like cloud finally wins official recognition “新”型波浪状云首次被列入官方图集】相关文章:
★ Pregnancy alters woman's brain 'for at least two years' 初次怀孕对女性大脑的影响“至少持续两年”
★ 球员抑郁和焦虑
★ 新年:圣诞大餐
★ The future of food production 食物生产的未来
★ Charge, fee, fare, cost 四个与“价格、费用”相关的单词
★ Bus for homeless, urban bees 流浪者入住公共汽车、蜜蜂的城市庇护所
★ London's taxi test, pollution-fighting pigeons 伦敦新出租送极地测试、人们利用鸽子对抗环境污染
★ Lunchtime dilemma 午饭时间的“选择困难症”
★ Do we need to attend lectures? 大学生是否需要听讲座式课程?
★ Farming in a bunker and corporate wellness 地下农场、企业员工的身心健康
最新
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15