Low levels of choline in the body can give rise to high blood pressure.
体内胆碱含量低可引发高血压。
Modern plastics can stand very high and very low temperatures.
新型塑料能承受很高和很低的温度。
People say, "How can we sell our goods for such a low price?"
人们说：“我们怎么能以这么低的价格出售我们的产品呢？”
Resting your feet on a low object can also help ease back pain when sitting.
坐下来的时候，把脚放在一个较低的物体上也能帮助减轻背部疼痛。
The low growth form can also permit the plants to take advantage of the insulation provided by a winter snow cover.
低矮生长形态也能让植物利用冬季积雪提供的隔离环境。
There are other local facilities such as post offices where you can save your money and have access to affordable low cost loans.
还有其他的地方设施，比如邮局，在那里你可以省钱，也可以获得负担得起的低成本贷款。
A strong wind of dust storms can carry heavy objects, so you should try to stay low, and close to the ground, and protect your head with your arms or a backpack.
强劲的沙尘暴可以卷起重物，所以你应该尽量保持低姿态，靠近地面，并用你的手臂或背包保护你的头部。
We try to keep our expenses as low as we can.
我们努力把开支保持在尽可能低的水平。
You can find one type of the Spartina, Saltmarsh Cordgrass, growing in low marsh areas.
你可以在低洼的沼泽地里找到一种米草，即盐碱草。
You speak in a voice so low that other people can hardly hear you.
你说话的声音太低，别人几乎听不到。
You can be alert, even though the intensity of the stimulus is quite low.
即使刺激的强度很低，你也要保持警惕。
The island can only be reached at low tide.
这座岛只能在退潮时上去。
Straying rates remain relatively low when environmental conditions are stable, but can increase dramatically when streams suffer severe disturbance.
当环境条件稳定时，偏离率相对较低，但当河流受到严重干扰时，偏离率会急剧增加。
There are no postage or delivery costs, so prices can be kept low.
没有邮费和运费，所以价格可以一直很低。
It announces to be "the nicest place on the Internet", where happy people can present their positive thoughts and feelings to those who are in low spirits.
它宣称是“互联网上最好的地方”，在那里快乐的人可以向那些情绪低落的人表达他们积极的想法和感受。
So-called serpentine soils, for example, are deficient in calcium, and only plants able to tolerate low levels of this mineral can survive.
例如，所谓的蛇形土壤缺乏钙，只有对低水平的这种矿物质耐受的植物才能生存。
Chlorophyll, although exquisitely evolved to capture the energy of sunlight, can sometimes be overwhelmed by it, especially in situations of drought, low temperatures, or nutrient deficiency.
叶绿素虽然已经进化得极为精巧，能捕捉阳光中的能量，但有时也会应接不暇，特别是在干旱、低温或缺乏营养的情况下。
This focusing is the main reason that even relatively weak sounds in the ocean, especially low-frequency ones, can often travel thousands of miles.
正是由于这种集声，即使是海洋中相对微弱的声音，尤其是低频声音，也能传播数千英里。
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