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单词
courteous
释义
courteous
ADJ
/ˈkɜːtiəs/
polite , especially in a formal way 谦恭的；有礼貌的
Hotel staff must be courteous at all times.
宾馆职员任何时候都必须谦恭有礼。
DERIVED WORD
courteously
adv
courteousness
noun
U