Ektexine
n. 外壁, 外表层
🗣️ 情景例句
so she'll think of me when she looks at the time.
这样当她看的时候就会想起我。
One of my suitcases is small,and the other one is medium size.
我的一个提包是小的，另一个是中等的尺寸。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。