extender

延长者；扩展者。

One who extends.

用于扩展材料某种性能的各种物质。

Any of various substances designed to extend any of several properties of a material.

用于延长设备长度的各种部件。

Any of various components designed to extend the length of a device.

添加到食品中以增加体积的物质,蛋白质含量高于填充剂。

Any substance added to food to bulk it out, with a higher protein content than a filler.

快挂(攀登器材)。

A runner, or quick-draw.

将表达扩展至包含集合中更多成员的短语,如“等等”“之类”。

A phrase that extends an expression to include further members of a set, e.g. "and stuff", "or something".