Specific activity
[化] 比活; 比活度; 比放射性; 放射性比度\\n[医] 特殊活动
🧩 词语组成解析
🗣️ 情景例句
Between the woods and frozen lake
就在林子和冰湖之间
Yes,I understand.
是的，我明白了。
He had lived in it as a child when it was already disappearing,
作为一个孩子他曾在西部生活过，当时西部拓荒生活正在消失。