Technetium
n. 锝\\n[化] 锝
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
I'm very much obliged to you.
非常感谢您。
That's all. Any other questions?
就这些。还有什么问题吗？