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n. 把格式数据写成串（函数指令）
🗣️ 情景例句
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
In the mirror we see the face; in wine, the heart.
明镜照容颜，醇酒见人心。
She has been to school.
她上学去了。