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降钙素
🗣️ 情景例句
and there is room,
这里有地方，
Love is without reason.
爱情是没理智的。
When you type a letter, the writing appears on a screen in front of you and is recorded onto a computer disk.
当你打一封信时，字迹出现在你前面的屏幕上并顾在电脑的磁盘里。