Polystream
多氯苯
🗣️ 情景例句
Payments over thirty years?
三十年分期付款吗？
Wisdom in the mind is better than money in the hand.
手里有钱财，不如胸中有文才。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。