Joan Durbeyfield, as she spoke, curved a sodden thumb and forefinger to the shape of the letter c, and used the other forefinger as a pointer.
琼·德北菲尔德一边说着，一边用被水泡得肿胀的拇指和食指圈出一个字母c的形状，用另一只手的食指指着。
They become sticky and harden into the shape of the letter c, like a sickle, a hand tool with a curved blade.
红血球会变得粘稠，并且硬化成字母c的形状，像一种有弯曲刀片的手持工具，镰刀。
C shows the application of a turning radius for curved turns.
表现了转弯半径在曲线转弯时的应用。
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