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[计] 绝对误差, 运算器
🗣️ 情景例句
and tell the Levinsons we have their cute little spaniel.
告诉Levinson夫妇他们可爱的小猎犬在我们这。
What's your nationality?Are you American?
你的国籍是什么?你是美国人吗？
She teaches foreign students Chinese.
她教外国学生汉语。