Predetonation
预爆轰[震]
🗣️ 情景例句
They'll be at your door within a few minutes.
他们会尽快送到你的门口。
She requests your presence at the conference.
她恳求你们参加会议。
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。