He took up the postcard Mrs Qin had sent him. On it was a picture of an ice-choked river: the Heilongjiang during the spring thaw.
他拿起秦老师写来的明信片，那明信片正面印着一条浮冰拥塞的大河。那是解冻时节的黑龙江。
Main water source of Manas River comes from the thaw on high mountains and the precipitation on its upper reaches.
高山区的冰雪融水和玛纳斯河上游的降水是该流域的主要径流水源。
Main water source of Manas River comes from the thaw on high mountains and the precipitation on its upper reaches.
高山区的冰雪融水和玛纳斯河上游的降水是该流域的主要径流水源。
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