phosphorus 磷
In early June, the tundra bursts into bloom. Pollen from flowers is a rich source of nitrogen and phosphorus, nutrients ingested by the calf through it's mother's milk supply.
來(lái)自電影 Wild Discovery: Return of the Caribou
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phosphorus 磷
In early June, the tundra bursts into bloom. Pollen from flowers is a rich source of nitrogen and phosphorus, nutrients ingested by the calf through it's mother's milk supply.
來(lái)自電影 Wild Discovery: Return of the Caribou
重點(diǎn)單詞 | 查看全部解釋 | |||
supply | [sə'plai] |
想一想再看 n. 補(bǔ)給,供給,供應(yīng),貯備 |
聯(lián)想記憶 | |
source | [sɔ:s] |
想一想再看 n. 發(fā)源地,來(lái)源,原始資料 |
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pollen | ['pɔlin] |
想一想再看 n. [植]花粉,[昆]粉面(雙翅目昆蟲(chóng)的易落粉) vt |
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calf | [kɑ:f] |
想一想再看 n. 小牛,幼崽,愚蠢的年輕人,小牛皮,小腿肚 |
聯(lián)想記憶 |