both A and B

both A and B
both A and B 既是A又是B
1.Language teaching is both a science and art.
语文教学既是一门科学又是一种艺术。
2.Both Bach and Beethoven wrote classical music.
巴赫与贝多芬谱写的都是古典音乐。
3.John was both clever and quick in the uptake.
约翰既聪明，理解能力又强。
4.The new proposals affect both clergy and laity.
新的建议与神职人员和俗人都有关系。
5.I work both on sunny days and on rainy ones.
我风雨无阻地工作。