词典释义：
双语例句
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Paolo Bonaiuti, 73, a tall man with white hair, blue eyes and a look of unflappability, waved his lease, showing that he rented out the space for $2, 220 a month.
高个，白头发，蓝眼睛，看上去不慌不忙，手里挥着租约。 上面写着租金2,220美元一个月。
百科
unflappability，英语单词，主要用作名词，作名词时译为“镇定”。