| 单词 | to be present in sth |
| 释义 | to be present in sth存在于某物中 The bacterium is naturally present in large numbers in the intestine.这种细菌大量地自然存在于肠道内。 This form of vitamin D is naturally present in breast milk.这种形式的维生素D天然存在于母乳中。 See present |
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