《资治通鉴·汉纪·汉纪十》
张骞得到机会逃脱，向着月氏国所在的西方走去，过了数十日，到达大宛国。
骞得间亡，乡月氏西走，数十日，至大宛。
Zhang Qian found an opportunity to escape, and headed west towards the Yuezhi nation, and after several dozen days, arrived at the nation of Dayuan.
<s>[INST] Provide a modern Chinese interpretation of the following Classical Chinese passage: 骞得间亡，乡月氏西走，数十日，至大宛。 [/INST] 张骞得到机会逃脱，向着月氏国所在的西方走去，过了数十日，到达大宛国。</s>
Provide a modern Chinese interpretation of the following Classical Chinese passage: 骞得间亡，乡月氏西走，数十日，至大宛。
user
张骞得到机会逃脱，向着月氏国所在的西方走去，过了数十日，到达大宛国。
assistant