Undetectable
[ ['ʌndi'tektəbəl] ]
其它 Other
a. 无法觉察的, 无法发现的
🗣️ 情景例句
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
We waved until the car was out of sight.
我们挥手直到汽车消失。
Two men who recently spent five days on a coral island wished they had stayed there longer.
最近有两个人在一座珊瑚岛上呆了5天，他们真希望在那儿再多呆一些日子。