很多软体动物有触角.Many molluscs have tentacles.这个研究成果对企图采用直接测量方法测量接触角的研究人员,带来很大阻力.Such observation have deterred most prudent investigators from attempting direct contact - angle measurements.接触角对鸭和天鹅是颇为重要的.Contact angles are of...
She was attended by servants in splendid livery and powdered wigs.她由穿着华丽制服、头戴扑粉假发的仆人们伺候着。Wigs are hot and uncomfortable to wear constantly.头上老是顶着假发，又热又不舒服。Wigs are itchy and uncomfortable.假发让人感觉发痒，很不舒服。...