Size: a life-size head and shoulders.

尺寸：一个真人大小的头和肩。

youdao

Different-diameter pipe size head, also called tube diameter at different, used to connect different diameter of pipe or flange diameter changes on.

异径管也叫大小头，两端管口直径不同，用于连接不同直径的管子或法兰进行变径。

youdao

She will sell you a cowboy hat made to fit the exact size of your head.

VOA: special.2009.02.16

The guts of the present patent application (No. 206338) concern the mechanical and laser systems required to compensate for large, initial variations (as in head size) as well as smaller ones like temperature and head movements in order to create a reliable active alignement between the stereo images.

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It now contains more than a litre of liquid and is the same size as her head.

BBC: NEWS | UK | Wales | South East Wales | Burns girl grows new head of hair

As little as 500 micrograms, the size of the head of a pin, can kill an adult if inhaled or ingested.

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