When sailors first started working on a boat, they had to learn which ropes were attached to which sails.

没错，这水手一开始学必须学会哪条绳索是控制哪个风帆的。 我也希望我能赶快学会图书馆的一套工作，不然我可能要被开除了！

youdao

When sailors first started working on a boat, they had to learn which ropes were attached to which sails.

没错，这水手一开始学必须学会哪条绳索是控制哪个风帆的。 我也希望我能赶快学会图书馆的一套工作，不然我可能要被开除了！

youdao