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[医] 二氟二苯三氯乙烷(强烈杀虫剂)
🗣️ 情景例句
Your buildings are very large, aren't they?
你们的厂房很大，对吗？
To lose a freind is the greatest of all loses.
失掉朋友是一切损失中最大的损失。
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，