黏度极低，确保优异的冷却及冲屑性能，是高速切削所必需。
Extremely low viscosity to ensure excellent cooling and flushing properties which are essential for high speed cutting.
研究人员看到的是，那些拾到小的并携带方便的面包屑的蚂蚁会有向前冲的信心并能回到巢穴中。
What the researchers saw was that the ants that were carting a small, easy-to-carry crumb would dash forward with confidence and were able to hook a right and head on home.
河鼠冲蟾蜍点点头，走去开门，迎进来鼹鼠。鼹鼠也是衣衫破旧，没有洗刷，毛上还沾着些草屑。
The Rat, with a nod to Toad, went to the door and ushered in the Mole, very shabby and unwashed, with bits of hay and straw sticking in his fur.
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