In Lake Superior, shipping companies have kept records of ice formation and breakup since 1857.
在苏必利尔湖，船运公司自1857年以来一直保存着冰层形成和破裂的记录资料。
Ice Formation
原声例句
国家地理选编
PBS地球-俯瞰世界
[Joe] That can lead to strange ice formations called dragon's breath.
- [乔] 这可以导致称为龙息的奇怪冰层。
综合写作 2022
But the conditions there are not really favorable for large-scale ice formation.
但那里的条件并不真正有利于大规模冰的形成。
英语百科
Ice
![The three-dimensional crystal structure of H2O ice Ih (c) is composed of bases of H2O ice molecules (b) located on lattice points within the two-dimensional hexagonal space lattice (a). The values for the H–O–H angle and O–H distance have come from Physics of Ice[2] with uncertainties of ±1.5° and ±0.005 Å, respectively. The black box in (c) is the unit cell defined by Bernal and Fowler.[3]](/uploads/202501/19/Ice_Ih_Crystal_Lattice5227.png)
Ice is water frozen into a solid state. Depending on the presence of impurities such as particles of soil or bubbles of air, it can appear transparent or a more or less opaque bluish-white color.
In the Solar System, ice is abundant and occurs naturally from as close to the Sun as Mercury to as far as away the Oort cloud objects. Beyond the Solar System, it occurs as interstellar ice. It is abundant on Earth's surface –particularly in the polar regions and above the snow line –and, as a common form of precipitation and deposition, plays a key role in Earth's water cycle and climate. It falls as snowflakes and hail or occurs as frost, icicles or ice spikes.
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