masteringn.控制；掌握动词master的现在分词形式.mastern.主人；硕士；专家vt.控制；精通adj.主要的；主人的；精通的MasterCard Worldwide Index of Retail万事达卡零售业指数Master of Gynaecology and Obstetrics妇产科硕士Master the three Architecture theory精通三层构架mastercraft capillary watch oiler set手表专用毛细管注油器组Master Information Exchange Agreement主要信息交换协定Master of Science in Nurse Anesthesia麻醉护理学硕士masterly generalization and summation高度的概括和总结Master of Science in Movement Science运动科学硕士Master Chief Ocean Systems Technician一级海洋系统军士长Master of Arts in Religion and Health人工定位器

1. They lay to waiting for daylight to check their position.
   他们把船顶风停住，等天亮后好校正方位。