友情提示：看不懂音变的同学请听203-206期

sedate 静坐:排除思虑，闭目安坐 sed-sit
Serenely deliberate, composed, and dignified in character or manner
To administer a sedative to; calm or relieve by means of a sedative drug.
adj. 安静的；沉着的
vt. 给…服镇静剂

sedative
Having a soothing, calming, or tranquilizing effect; reducing or relieving anxiety, stress, irritability, or excitement.
An agent or a drug having a soothing, calming, or tranquilizing effect.
n. [药] 镇静剂；能使安静的东西；止痛药
adj. 使镇静的；使安静的

preside president
To hold the position of authority; act as chairperson or president.
To possess or exercise authority or control.
Music. To be the featured instrumental performer
vi. 主持，担任会议主席;担任主要演奏者，领奏
vt. 管理

词组短语：
preside over 主持；负责
preside at 主持；负责

例句：
The general manager presided at the meeting.
总经理主持了会议。
The manager presides over the business of this store.
经理主管本店的业务。

sedan
A closed automobile having two or four doors and a front and rear seat.
A portable enclosed chair for one person, having poles in the front and rear and carrien.
n. 轿车；轿子

supersede super-above supercede cinder
To take the place of; replace.
To cause to be set aside, especially to displace as inferior or antiquated.
vt. 取代，代替；接替

例句：
He was superseded by a young girl for the post.
一位年轻的姑娘取代了他的职位。
Any one could supersede you as manager in my office.
我办公室中的任何一个人都可以接替你的经理职务。

assiduous
Constant in application or attention; diligent
Unceasing; persistent
adj. 刻苦的，勤勉的

session sess-sit
A meeting of a legislative or judicial body for the purpose of transacting business. A series of such meetings. The term or duration of time that is taken by such a series of meetings.
The part of a year or of a day during which a school holds classes.
An assembly of people for a common purpose or because of a common interest: a gossip session.
Law. A court of criminal jurisdiction in the United States: the court of sessions.
A period of time devoted to a specific activity, as to recording music in a studio.
n. 会议；（法庭的）开庭；（议会等的）开会；学期；讲习会

assess
To estimate the value of (property) for taxation.
To set or determine the amount of (a payment, such as a tax or fine).
To charge (a person or property) with a special payment, such as a tax or fine.
Sports. To charge (a foul or penalty) against a player, coach, or team.
To determine the value, significance, or extent of; appraise
vt.评定；估价,评价；确定金额；对…征税

例句：
The lawyers assessed the property at $35,000。
律师们估计这笔财产价值35 000美元。
The hurricane demage was assessed at three million dollars.
飓风损害赔偿金的金额被确定为三百万美元。