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
It's so nice of you to come.
你能来真好。
If only our team had scored one more point.
要是我们队再多得一分就好了。
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。