Unobservable
a. 难以察觉的；注意不到的；不可见的
✅ 同义词
🗣️ 情景例句
Bye, take care.
保重。
I have some shirts to send to the laundry.
我有一些衬衫送到洗衣店了。
It looks like the moon. There are many different kinds of mooncakes.
它看起来像月亮。月饼的种类很多。