单项选择题
A.1 shackle B.1 knot C.1 mile D.1 ring
右锚()A. left anchorB. starboard anchorC. right anchorD. ...
单项选择题右锚()
A. left anchor B. starboard anchor C. right anchor D. port anchor
管()A.lineB.hoseC.hawseD.pipe
单项选择题管()
A.line B.hose C.hawse D.pipe