《旧唐书·本纪·卷十三》
从此吐蕃的锐气被挫，终于收复了辒州。
自是吐蕃挫锐，竟复巂州。
Tubo's morale was dampened from that point on, and Yi Prefecture was eventually recovered.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 自是吐蕃挫锐，竟复巂州。 [/INST] Tubo's morale was dampened from that point on, and Yi Prefecture was eventually recovered.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 自是吐蕃挫锐，竟复巂州。
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Tubo's morale was dampened from that point on, and Yi Prefecture was eventually recovered.
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