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[计] 参数选择
✅ 同义词
🔴 反义词
🗣️ 情景例句
Hi, Robbie.
嗨， Robbie。
Have you taken a plane?
你坐过飞机吗？
Not all sounds made by animals serve as language.
动物发出的声音不都是用作语言交际。