Dama
abbr. 按需分配多址接入（Demand Assigned Multiple Access）
??? 情景例句
We looked at a lot of houses.
我們看了好多房子。
Kill two birds with one stone.
一石雙鳥；一箭雙雕。
'Cats behave like well-trained paratroopers.' a doctor said.
“貓就像訓練有素的跳傘隊員，” 一位醫生說。