Xe
[医] 氙(45号元素)
🗣️ 情景例句
Are you doing anything tonight?
今晚有安排吗？
I have due cause to do so.
我有充分的理由这么做。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。