envelope
B2高频 NGSL-3英 /ˈenvələʊp/美 /ˈenvələʊp/
释义
noun
信封
a flat paper container used for sending letters in, with a part that you stick down to close it
“Writing paper and envelopes are provided in your room.”
在真实视频里记住 envelope
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Writing paper and envelopes are provided in your room.
信封
envelope· 信封
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