《史记·七十列传·滑稽列传》
起初漂在水面，漂流几十里就沉没了。
始浮，行数十里乃没。
They floated on the water surface at first and would sink after drifting for dozens of miles.
<s>[INST] Kindly elucidate the central themes in this passage in English: 始浮，行数十里乃没。 [/INST] They floated on the water surface at first and would sink after drifting for dozens of miles.</s>
Kindly elucidate the central themes in this passage in English: 始浮，行数十里乃没。
user
They floated on the water surface at first and would sink after drifting for dozens of miles.
assistant