mast cell肥大细胞；柱状细胞
at half mast◎下半旗(志哀),◎[戏谑语]裤腿太短,◎[戏谑语](袜子上部)翻转下来，(袜子)没拉到膝盖
1.This includes spires and architectural details but does not include antenna masts.
这包括尖顶建筑细节，但不包括天线桅杆。
2.The ship has four masts for ins sails.
该船有四个桅杆帆航行。
3.Mist and masts rising the knock of wooden tackle in the sunlight.
阳光中，薄雾和桅杆托起了木具的敲击声。
4.Also this 46-meter luxury yacht contains four mobile masts which transforms into wings by the clicking of a button.
46米长的奢华飞艇包含四个可以活动的桅杆，按下按钮便可展成翅膀。
5.Many ketches, therefore, are different from sloops in ways other than just the masts and sails.
因此，双桅帆船除了桅杆和帆的区别之外，在其他很多方面也会和单桅帆船有所不同。
6.The sailing boats are grouped according to their sails and masts, such as sloop, schooner yawl, and ketch.
帆船运动中船按其帆和桅杆不同而分类，如单桅多帆船，双桅或三桅纵帆船，双桅船，及大双桅船。