Actually, contrails, short for condensation trails, are essentially clouds.
实际上，痕迹，是短的凝结轨迹，基本上也是云。
英文例句大全为您提供condensation trail英文例句大全,condensation trail英文造句,关于condensation trail的英语句子,单词condensation trail怎么造句,condensation trail英文例句大全有哪些,哪些英语句子是关于condensation trail,英语单词condensation trail的句子,单词condensation trail如何造句,condensation trail怎么造句等。