《徐霞客游记·粤西游日记二十》
于是向东走过田埂，再越过土岭往东行。
乃东过田塍，更逾土岭而东。
So we walked east across the ridges and then over the earthen ridge to the east.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 乃东过田塍，更逾土岭而东。 [/INST] So we walked east across the ridges and then over the earthen ridge to the east.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 乃东过田塍，更逾土岭而东。
user
So we walked east across the ridges and then over the earthen ridge to the east.
assistant