Unobservable
a. 难以察觉的；注意不到的；不可见的
✅ 同义词
🗣️ 情景例句
That movie received a favorable review.
那部电影受到了好评。
I go out for lunch at about 12:30.
我在大约12:30去外面吃午餐。
Would you help me with the report?
你愿意帮我写报告吗？