Fortifies
v. 筑防御工事于( fortify的第三人称单数 ); 筑堡于; 增强; 强化（食品）
🗣️ 情景例句
I'm afraid you're right.
恐怕你对了。
If it hadn't been for your help, we would never have finished it.
如果没有你的帮助，我们永远完不成任务。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。