3.He wasn’t good navigator, so it is necessary that the coastline remain in sight as he moved from one harbor to the next.
他不擅航海,所以当他从码头驶码头时,得直沿海岸线航行。
4.The man is a sixteenth Spanish navigator.
那个人是十六世纪的航海家。
5.A minimally invasive reflective array, tool navigator, and a registered burr were used for localization and deroofing of the lesion, followed by curettage and highspeed burring of the cavity.