Dead-weight safety valve
[机] 重码安定阀
🧩 词语组成解析
dead
[dɛd]
adj. 死去的;完全的;无感觉的;呆板的;
adv. 完全地;非常;绝对;极度;
n. 死者;（死一样的）寂静;极寒时候;
weight
[wet]
n. 重量，体重;重担，重任;重要;[统]权，加重值，权重;
vt. 加重于，使变重;使负重，使负担或压迫;[统]使加权，附加加重值于;
weigh(重)+t(表示抽象名词的后缀)→重量；重要
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
Let's give him our presents--now.
现在把我们的礼物送给爷爷吧。
So-so.
一般般啦！
recorded for the slumbering scientist the strength of a shock that was too weak to waken him,and the direction from which it came.
由于地震太弱而未惊醒科学家时，就为科学家记录下了地震的强度和地震方向。