自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT (作特殊用途的)大院，有围墙的场地 A compound is an enclosed area of land that is used for a particular purpose.
Police fired on them as they fled into the embassy compound.
...a military compound.
N-COUNT (化学中的)化合物 In chemistry, a compound is a substance that consists of two or more elements.
Organic compounds contain carbon in their molecules.
N-COUNT 混合物;组合物 If something is a compound of different things, it consists of those things.
Honey is basically a compound of water, two types of sugar, vitamins and enzymes.
ADJ 复合的;组合的;混合的 Compound is used to indicate that something consists of two or more parts or things.
...a tall shrub with shiny compound leaves.
...the compound microscope.
ADJ (单词)复合的 In grammar, a compound noun, adjective, or verb is one that is made up of two or more words, for example 'fire engine', 'bottle-green', and 'force-feed'.
ADJ (句子)复合的 In grammar, a compound sentence is one that is made up of two or more main clauses.
VERB 使恶化；使复杂化;加重 To compound a problem, difficulty, or mistake means to make it worse by adding to it.
Additional bloodshed and loss of life will only compound the tragedy...
The problem is compounded by the medical system here.