In fact, the helmet is actually more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble's center sweeps through a surrounding molecular cloud.
其实这个宇宙头盔更像一个星际气泡，从这个气泡中心附近明亮的大质量恒星吹出一股疾风扫过周围的分子云。
The pleasures of roaring along the open road while the wind streams through your hair, well it would stream your hair if you didn't have a helmet on.
在宽敞的公路上呼啸而过，大风吹拂着你的长发，如果不戴头盔的话。
Throwing caution to the wind, he decided to ridehis motorcycle without a helmet.
他决定豁出去了，不带安全帽就骑摩托。
After treating the two-dimensional ideal MHD equations with a multistep implicit scheme, we obtained a helmet streamer solution of the solar wind near the sun by use of the numerical method.
在对二维理想磁流体力学方程组采用多步隐格式进行数值处理后，利用长时间渐近方法计算得到了太阳风的盔状流动解。
The wind pocket cover is closed in cold day or in raining and the wind and rain can not enter. The improved motorcycle helmet has the advantages of simple structure and practicality.
天冷或下雨开车时关闭风兜盖，则风雨不能进入，其结构简单而实用。
The wind pocket cover is closed in cold day or in raining and the wind and rain can not enter. The improved motorcycle helmet has the advantages of simple structure and practicality.
天冷或下雨开车时关闭风兜盖，则风雨不能进入，其结构简单而实用。
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