n. 雷声( thunder的名词复数 )，隆隆的响声；v. 打雷( thunder的第三人称单数 )，发出隆隆声，轰隆隆地快速移动，使快速移动；

[例句] There was frequent thunder and lightning, and torrential rain.

[例句] ...a distant clap of thunder.

启程，出发，开始[着手]做；

[例句] Daly was a fast-talking Irish-American who had started out as a salesman...

[例句] What started out as fun quickly became hard work.

在户外坐，出席直至完全结束，不参加某种活动；

[例句] The only thing I can do is keep quiet and sit this one out...

[例句] He can afford to sit out the property slump.

adj. 善于观察的，观察力敏锐的，严守教规的；

[例句] That's a marvellous description, Mrs Drummond. You're unusually observant...

[例句] An observant doctor can often detect depression from expression, posture, and movement.

伸出，居住，晾晒，(infml) （呆在某处，或与某人呆在一起）闲逛；

[例句] I was worried I wouldn't be able to hang my washing out.

[例句] I often used to hang out in supermarkets...

n. 吨，公吨；

[例句] ...65.5 million tonnes of coal...

[例句] Top quality Thai rice fetched $340 a tonne.

prep. （表示位置）处在…中，（表示范围）在…之内，（表示牵涉）经过，（表示所属）为…所特有；

n. （座位的）靠手，扶手；

n. 纵火犯；

n. 攻击者；adj. 攻击的；

[例句] Other party-goers rescued the injured man from his assailant.

n. 亲人丧亡，丧失亲人，丧亲之痛；

[例句] When Mary died Anne did not share her brother's sense of bereavement.

[例句] ...those who have suffered a bereavement.

n. 特征，威信，（显示优越的）标志，扁囊药剂；

[例句] The social cachet of some form of qualification in India is powerful...

[例句] A Mercedes carries a certain cachet.

n. 夹板；

adj. （理由、论据）有说服力的，令人信服的；

[例句] There were perfectly cogent reasons why Julian Cavendish should be told of the Major's impending return.

n. 调味品，佐料；

n. 心腹朋友，知己；

[例句] ...a close confidant of the president.

n. [法]被告人；adj. [法]被告的，辩护的；

adj. 消沉的，悲观的，抑制的；n. 强拍，下降；

[例句] Its headlines were suitably downbeat and don't scream out.

[例句] ...a downbeat assessment of 1992's economic prospects.

adj. 悦耳的，优美动听的；

[例句] Quickly, in her dulcet voice, Tamara told him what had happened.

[例句] You hear his dulcet tones on the Radio 1 trailers in the morning.

n. （四足动物的）前足，前脚；

[例句] Moles have powerful forefeet for digging.