dead adj.死的；不起作用的；无趣的；筋疲力尽的；麻木的；完全的；无效的；沉闷的；（指球）界外的adv.完全地；直接地；突然地
双语例句
Comparing with double dams, the tundish fixed with baffles has a similar minimum residence time, but a less dead volume. 导流挡板与双挡墙比较，最短停留时间变化不大，但死区体积更小。
The CT findings of this tumor revealed a hypodense mass with occasional calcification, a central necrotic area, and a well-defined enhanced wall. 电脑断层检查肿瘤是呈现低密度，中间有坏死区，偶尔有钙化，及界限清楚且显影不错的壁。
