superconductivity
n[U]
(physics 物) property of certain metals, at temperatures near absolute zero, of having no electrical resistance, so that once a current is started it flows without a voltage to keep it going 超导电性.
🗣️ 情景例句
It was so kind of them.
他们太客气了。
What were you doing when I called?
我打电话给你时你在干吗?
When she reached home, she had a short rest and a glass of water.