例句：

　　The drug improved mental alertness.

　　這種藥物提高了大腦的靈敏度。

　　That purpose is alertness.

　　這個目的就是警惕。

　　They also increase alertness and energy.

　　它們也能提高機敏性和精力。

　　What is the treatment principle of acuteness wet wart?

　　尖銳濕疣的治療原則是什么？

　　So, acuteness wet wart patient must be treated in time.

　　所以，尖銳濕疣患者一定要及時治療。

　　What are the specific performance of acuteness wet wart?

　　尖銳濕疣的具體表現有哪幾種？

　　With characteristic astuteness, he spoke separately to all those involved.

　　憑著他特有的精明，他同有關人士一一進行了談話。