a chemical that combines two or more elements

Salt is a compound of sodium and chlorine. 盐是钠和氯的化合物。

Many fertilizers contain nitrogen compounds. 许多化学肥料都含有氮化合物。

something consisting of two or more different parts

Then there was his manner, a curious compound of humour and severity. 还有他的态度，那是一种幽默与严厉的奇异混合。

a word that combines two or more different words. Often, the meaning of the compound cannot be discovered by knowing the meaning of the different words that form it. Compounds may be written either as one word or as separate words

'Bodyguard' and 'floppy disk' are two examples of compounds. bodyguard 和 floppy disk 是两个复合词。

an area surrounded by fences or walls that contains a group of buildings

The gates opened and the troops marched into their compound. 大门开了，部队进入他们的大院。

The embassy compound has been closed to the public because of a bomb threat. 因受到炸弹威胁，使馆区停止对公众开放。

to make a problem or difficult situation worse

Her terror was compounded by the feeling that she was being watched. 她有种被人监视的感觉，这加剧了她的恐惧感。

His financial problems were compounded when he unexpectedly lost his job. 他意外地失去了工作，这使他手头更紧了。

Severe drought has compounded food shortages in the region. 严重的干旱加剧了该地区的食品短缺问题。

to mix two things together

Most tyres are made of rubber compounded with other chemicals and materials. 大多数轮胎都是用橡胶和其他化学制品、材料混合制成的。

consisting of two or more parts

used to refer to a system of paying interest in which interest is paid both on the original amount of money invested (= given to companies hoping to get more back) or borrowed and on the interest that has collected over a period of time

compound interest 复利

The investment fund has achieved annual compound returns of 18.2 percent. 投资得到了18.2%的复利年回报率。