1. * 在郵局安放了一枚 * 。
   The terrorists planted a bomb in the post office.
2. 固定物牢固地安放在一個地方的東西
   Something securely fixed in place.
3. 地雷，水雷一種用來摧毀敵軍部隊、船艦、碉堡或裝備的爆破裝置，通常安放在隱蔽處，由于接觸、靠近或定時而引爆
   An explosive device used to destroy enemy personnel, shipping, fortifications, or equipment, often placed in a concealed position and designed to be detonated by contact, proximity, or a time fuse.
4. * 在火車站安放了一枚50磅重的 * 。
   Terrorists placed a 50-pound bomb in the railway station.

安的英語翻譯：

放的英語翻譯：