Concn
abbr. concentration 集中; 集合; 專心; 濃縮
??? 情景例句
Mrs. Smith, You're a wonderful cook.
史密斯夫人，你是一個了不起廚師。
Silent men, like still waters, are deep and dangerous.
沈默的人像靜水一樣，深而難測。
They have also assumed that all animals, and probably other organisms such as trees,
人們不但認識到所有的動物，大概也認識到所有的有機物，如樹木，