名詞 mast:

1. a vertical spar for supporting sails
2. nuts of forest trees (as beechnuts and acorns) accumulated on the ground; used especially as food for swine
3. nuts of forest trees used as feed for swine
4. any sturdy upright pole

1. My nephew worked his passage to Sydney before the mast.
   我的侄兒乘船去悉尼時(shí)在船上充當(dāng)普通水手，打工以抵償旅費(fèi)。
2. The tall man always wore his trousers at half mast.
   那高個(gè)子老是穿著一條長(zhǎng)不及踝的褲子。
3. Flags were at half mast everywhere on the day of the president's funeral.
   總統(tǒng)葬禮那天，全國(guó)到處降半旗致哀。

mast

n.（名詞）
Nautical A tall vertical spar, sometimes sectioned, that rises from the keel or deck of a sailing vessel to support the sails and running rigging.
【航海】 船桅，桅桿：一條高的（有時(shí)為分段的）垂直檣，從帆船的龍骨或甲板直立起來(lái)以支持帆和操縱裝置

A vertical pole.
垂直的柱
A tall vertical antenna, as for a radio.
天線桿：高且垂直的天線，收音機(jī)等的
A captain`s mast.
艦長(zhǎng)審問(wèn)

來(lái)源：
Middle English
中古英語(yǔ)
from Old English môst
源自 古英語(yǔ) môst

mast
mast 2

n.（名詞）
The nuts of forest trees accumulated on the ground, used especially as food for swine.
豬飼料：堆積地上的樹(shù)木的堅(jiān)果，常用來(lái)作豬飼料

來(lái)源：
Middle English
中古英語(yǔ)
from Old English môst
源自 古英語(yǔ) môst