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a. 正方形的, 直爽的, 堅(jiān)定的\\nadv. 正方形地, 正直地\\nn. 正方形, 四角
? 同義詞
??? 情景例句
Great idea!
好主意！
Help yourself.
請便！
Six men have been trapped in a mine for seventeen hours.
6個(gè)人被困在礦井里已有17個(gè)小時(shí)了。