central strand

• 中轴

central strand的用法和样例：

例句

1. Windows that pivot from a central point are easy to clean.
   沿中轴转动的窗子容易擦洗。
2. Ovules attached to the central axis of an ovary with two or more locules.
   胚珠着生在二室或多室子房的中轴上。