为什么在温度变化时雪晶的形状也随着变化，从薄且平的盘状变成长且细的针状，这仍是一个科学之谜。
Why snow crystal shapes change from thin, flat plates to long, slender needles when the temperature changes remains something of a scientific mystery.
在高盐胁迫下，许氏平细鳃中氯细胞的微细小管系统发达、密集，线粒体数量增多，与相邻细胞的间隙较大。
Under the high salinity stress, tubule system in the chloride cell in the fish gill is developed, the number of mitochondria is increased and cell clearance is enhanced.
我悄悄地拥抱你冰冷的身躯，小心地揉平你紧锁的眉毛，轻轻地拭去你眼帘上的泪珠，慢慢地擦去你额头上的细汗。
I quietly embrace your cold body, carefully rubbed flat locking your eyebrows and gently wiped the tears on your eyes, and slowly wiped the fine sweat on your forehead.
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