n. 主席, 会长【经】 主席

chair/chairman/chairwoman/armchair/chain/cushion/mat/mattress
记忆：
1. chair n. 椅子, 主席位vt. 使入座 Fetch us another two chairs, please.情给我们再区拿两把椅子来。
2. chairman 主席（男） The chairman announced the beginning of the conference. 主席宣布大会开始了。
3. chairwoman 主席（女）
4. armchair n. 扶手椅 It’s certainly comfortable to sit in the warm armchair. 作在暖和的扶手椅里当然舒服。
5. chain n. 链(条),镣铐, 一连串, 一系列 The withdraw of Spanish army from Iraq might lead to a chain of reactions. 西班牙军队从伊拉克撤军可能会引起连锁反应。格言：A chain is no stronger than its weakest link.一着不慎，满盘皆输。
6, cushion n. 垫子, 软垫, 衬垫 Put the cushion onto the bench, and you will feel more comfortable.把垫子放在长凳上，你会感到更舒服些。
7, mat n. 席子, 垫子 They spread a mat on the floor. 他们在地板上铺了一张席子。
8. mattress n. 床垫 Some people prefer to sleep without any mattress. 一些人睡觉时不要床垫。
另类阅读： The chairwoman was seated comfortably in the chair with cushion while the former chairman was unfortunately in chains
轻松一刻
MOTHER: Why on earth did you swallow the money I gave you?
JUNIOR : You said it was my lunch money.