The halyard typically rises from the head of the sail to a block at the head of the mast and back down to deck level, from where it is pulled up to raise the sail.

升降索通常从帆的前侧延伸到桅杆顶端，然后下降到甲板平面，在甲板上拉起升降索就能升起船帆。

youdao

A technique called "remote radio-head" involves shifting radio equipment from the cabin to the top of the mast, where it is cooled naturally.

名为“remote radio - head”的技术就包括将信号设备从小屋中移到天线竿的顶端，在那里设备可以自然冷却。

youdao

Haulbowline head and Mizzen-mast hill were at my elbow, the hill bare and dark, the head bound with cliffs forty or fifty feet high and fringed with great masses of fallen rock.

帆索海角和后桅山就在眼前。后桅山是一座深色的秃山，帆索海角被四五十英尺高的峭壁和崩塌的大块岩石所包围。

youdao

Channel Island residents have been reassured by the head of environmental health that mobile phone mast emissions are within safe limits.

BBC: Phone mast in Guernsey