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depend on依赖,依靠;取决于,随…而定
例句：It really depends on who is in charge.
那纯粹要看谁负责了。
还有另外一个比较常用的词组：It depends.这不是省略形势，而是固定用法，表示不一定，看情况而定。
2. Most natural materials take in some sunlight. This gives them their color.
take in接受,接待,吸收，相当于absorb
例句：They will certainly need to take in plenty of liquid.
他们肯定要摄入大量的水份。
The doctor asked the patient to take in a deep breath of air.
医生让病人深吸一口气。
absorb vt. 吸收,吸引,接受,并入,使专心
例句：A rabbit eating many such plants may absorb the toxin in the plants.
吃了许多这种植物的兔子会把植物里所有的毒素都吸收掉。
