Primer-detonator
[化] 始爆剂; 起爆剂; 始发爆管; 始发爆器
🧩 词语组成解析
primer
['praimə]
n. 底漆;启蒙读本;入门书;
n. 雷管, 炸药\\n[化] 雷管
🗣️ 情景例句
The crowd flocked around the speaker.
人群聚集在演讲人四周。
The party is a good opportunity for us to meet.
这聚会是我们彼此见面的好机会。
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。