Indetectable
a. 不可察觉的,不易发现的
🗣️ 情景例句
By the way,
顺便问一声，
I must contact my lawyer before I make my final decision.
在做出最后决定之前，我必须先同我的律师联系一下。
Thank you for the beautiful present!
感谢你漂亮的礼物！