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[计] 拨号通信
🗣️ 情景例句
Tom gave Helen an apple in exchange for a piece of cake.
汤姆用一个苹果和海沦换一块蛋糕。
Old acquaintance will soon be remembered.
故人一见便相亲。
I examined one of the pens closely.
我仔细察看了一枝钢笔，