Delayed action accelerator
[化] 延迟促进剂; 后效性促进剂
🧩 词语组成解析
a. 定时的；延时的
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
accelerator
[æk'seləreitə]
n. 加速器;催速剂;
🗣️ 情景例句
But first, I think we should take a moment
不过首先 我想我们应该用一两分钟
It'll take a few more weeks for the bone to mend.
还需要花两三周骨头才能复原。
In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.
在这儿，他们可以听见一种连续不断的轰鸣声。后来他们发现这是由山洞顶部的一个小孔里喷出的水柱跌落到水潭中发出的声音。