Backdoor
a. 秘密的
✅ 同义词
🗣️ 情景例句
She's been having a fling.
她曾经风流放纵过。
It may be even more valuable than money but it tastes awful!
它可能比金钱更有价值，但是味道遭透了。
Holiday hotels tend to cater for one nationality of visitors especially, sometimes exclusively.
假日旅馆有只接待来自一个国家的旅游者的倾向，有时会达到排他的程度。