重点讲解：
1. get around 到处旅行；游历；
He claimed to be a journalist, and he got around.
他自称是一名记者，经常四处游历JLxsqsxGSp。
2. be sensitive to 过敏的；易受影响的；敏感的；
The animals are very sensitive to disturbance and have never bred in captivity.
这些动物对外界的干扰很敏感，且从未被圈养过;EL&n(QQ(J^ssqW~qN。
3. be relative to 相对的；相关联的；
Johnson told me, with an amiable fondness, a little pleasing circumstance relative to this work.
约翰逊极亲热地告诉了我有关这部作品的一件小小的温暖往事qcGXE*7]tZh9WVTI.IfQ。
4. be based on 以…为基础；
The selection process is based on rigorous tests of competence and experience.
选拔过程是基于对能力和经验的严格测试YB~7@D*97@zioc。