《明史·志·卷六十八》
扬帆下碇，都在上层。
其张帆下椗，皆在上层。
The sails are hoisted and anchored all on the upper decks.
<s>[INST] Kindly elucidate the central themes in this passage in English: 其张帆下椗，皆在上层。 [/INST] The sails are hoisted and anchored all on the upper decks.</s>
Kindly elucidate the central themes in this passage in English: 其张帆下椗，皆在上层。
user
The sails are hoisted and anchored all on the upper decks.
assistant