circular ring

• 圆环

circular ring的用法和样例：

例句

1. The housing has a higher coefficient of expansion than the ring.
   壳体比圆环具有较高的膨胀系数。
2. We suspect that this effect arises because the ring silences the cells that signal line terminations.
   我们怀疑，这是因为圆环让代表端点的细胞沉静下来的缘故。