Radioactive hydrogen
[医] 放射性氢
🧩 词语组成解析
🗣️ 情景例句
The soothing sounds of the country.
安详的乡村音响。
Today we celebrate our day of independence.It's a national holiday.
今天我们庆祝我们的独立. 今天是国定假期。
Such creatures have rarely been seen alive by man as they live at a depth of six hundred feet.
人们很少能看到活着的这类动物，因为它们生活在600英尺深的水下。