• 张着帆,在航行中

undertoe[医] 践底趾(ы趾移位于其它各趾之下)underprep.低于；在 ... 下；在 ... 内；在 ... 控制下adv.在昏迷中；在 ... 下adj.下面的；从属的；少于的under - developed area欠发达地区underdeveloped districts欠发达地区under all sorts of names以各种各样的名义underfloor heating cable地板下供暖电缆under-balanced logging欠平衡测井undertaking expenditures事业经费under ground engineering地下工程Underlay grounds in city城市下垫面under water storage tank水下储罐under-voltage tripping低电压释放

1. As the wind blows, you must set your sail.
   起风时，快扬帆。
2. Let's sail into unchartered waters!
   向未知水域扬帆！