Preven
abbr. preventive 预防性的
🗣️ 情景例句
I appreciate it very much.
我非常感激你的帮助。
This is not an occasion for laguhter.
现在不是该笑的时候。
Soon afterwards, the balloon began to descend and it landed near an airfield.
不久，气球开始降落，在一个停机坪附近着了陆。