Lesson ten words 21--25

21.  stimulate  v. [T] to encourage 激勵；刺激

stimulation  n. [U] 刺激；鼓舞

The construction of tourist resorts on the island stimulated the economy.

Praise and encouragement can stimulate children to work harder.

These toys provide children with intellectual stimulation.

22. charge  v. [T] to ask someone to pay for something 向……收費

charge n. [C] 費用

This hotel charges 60 euros for a double room.

There is no charge for using the computer in the hotel.

These brochures are free of charge.

23.  royalty  n. [C] (usu. pl.) payments made to writers or musicians each time their work is sold or performed 權利金；版稅；[U] kings and queens and their families 皇室

royal  adj. 皇室的

Since 1990, royalties from Elton John’s records have gone to AIDS research.

Alice is interested in royalty, and she has read four different biographies of the queen.

The royal family lives in a grand palace next to a lake.

24. paperwork ] n. [U] documents needed for a particular situation 文件；a job that involves dealing with letters, reports, and records 文書工作

I had a pile of paperwork to deal with when I applied for a visa.

Her job involves typing and a huge amount of paperwork.

25. complicated  adj. difficult to understand; complex 複雜的

complicate  v. [T] 使複雜

complication  n. [C, U] 複雜；[C] 併發症

The human brain is a very complicated organ.

Don’t complicate your life by taking part in so many social activities.

We dealt with many complications on our journey, including two flat tires.

Some people develop complications after transplant surgery.