Antihelium
n. [核]反氦
🗣️ 情景例句
I know that I am.
我知道我是很喜欢。
One hour's sleep before midnight is worth three after.
午夜前睡一小时抵得上午夜后睡三小时。
How long have you lived here?
您在这里住了多长时间？