1、professional

职业的；专业的

His professional career started at Liverpool University.

他的职业生涯是从利物浦大学开始的。

专门从事的；非业余的

This has been my worst time for injuries since I started as a professional footballer.

这是我当职业足球运动员以来受伤来得最不是时候的一次。

Jack Nicklaus has played in every Major Championship since he turned professional in 1961.

杰克·尼克劳斯自从1961年转为职业选手以来参加了四大赛的所有比赛。

（运动）职业性质的

an art student who had played professional football for a short time.

踢过短时间职业足球的艺术系学生

2、descend

下来;下降;走下

Things are cooler and more damp as we descend to the cellar.

当我们往下走去地窖时，四周愈见阴冷潮湿。

She descended one flight of stairs.

她走下了一段楼梯。

(情绪、气氛等)降临，笼罩

An uneasy calm descended on the area.

一种令人不安的平静笼罩了该地区。

A reverent hush descended on the multitude.

人群虔敬地噤了声。

（大批人）突然到来，突然造访

3,000 city officials descended on Capitol Hill to lobby for more money.

3,000名市政官员齐聚国会山，为筹集更多的款项进行游说。

Curious tourists and reporters from around the globe are descending upon the peaceful villages.

好奇的游客和记者从世界各地一齐涌向这些平静的村落。