木星的行星有非常厚的大气层，且由不同数量的氢、氦、甲烷和氨等元素组成。
The Jovian planets have very thick atmospheres consisting of varying amounts of hydrogen, helium, methane, and ammonia.
在渗滤液释放回附近的河道之前，必须得让它们符合严格的标准。其中包括氨、重金属以及任何化学物的最大指标，它们都很可能导致氧元素的损耗。
Before it can be released back into the nearby watercourses it has to meet stringent standards, including maximum levels of ammonia, heavy metals and any chemicals that might cause oxygen depletion.
许多处方或非处方药物可以治疗多种病症的，比如伤风和流感药物，也含有醋氨酚和其他止痛元素。
Many prescription or over-the-counter medicines that treat multiple symptoms, such as cold and flu medications, also include acetaminophen and the other pain-relieving ingredients.
汗液几乎全是由水组成，也含有微量的化学元素，包括氨、尿素、盐和糖。
Sweat is also known as perspiration, and it is made almost completely of water, with tiny amounts of other chemicals like ammonia, urea, salts, and sugar.
铜是人体必需的微量元素之一，是胎膜中胶原纤维发育成熟的关键酶赖氨酰氧化酶的活性辅基。
Copper is one of essential trace elements for human, acting as an active agon of lysyloxidase which is critical enzyme for collagen maturation.
血红蛋白里的铁元素会和发光氨里的化学发生反应。意思就是说它里面的原子会重组并形成新的分子。
The iron in hemoglobin causes the chemicals in luminol to react, meaning that their atoms rearrange to form new molecules.
血红蛋白里的铁元素会和发光氨里的化学发生反应。意思就是说它里面的原子会重组并形成新的分子。
The iron in hemoglobin causes the chemicals in luminol to react, meaning that their atoms rearrange to form new molecules.
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