be on her course船: boat; ship; vessels航向: -方位指示器 course-and-bearing in ...不变: invariant航向不变的: steady本船航向我船航向: own ship's course下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:船航向不变,即可在微信中查询翻译