Backdoors
adj. 后门的；秘密的；欺诈的；鬼鬼祟祟的，偷偷摸摸的；不正当的
🗣️ 情景例句
The boxes of presents.
那些礼物盒。
What's the rush?
你急什么？
They had a definite meaning, for they were as near as early man could get to writing.
它们有着一定的含义，因为它们已接近古代人的文字形式。