My mom is a cat whisker collector, I'm her sole supplier.

我妈妈是位猫须收藏家，我是她唯一的供应商。

youdao

In keeping with the old time look, I went with a cat whisker detector for this old radio.

在保持与旧的时间看，我去了，与猫晶须探测器为这种旧收音机。

youdao

Cat whisker a fine metal thread resembling the arched shape of a cat's whisker used in early radio wave detecting crystal sets.

金属细线一种质地良好的金属线，类似于猫的胡须，呈拱形。早期应用于无线电波检测晶体装置。

youdao

This device patented by a German scientist, Ferdinand Braun, in 1899 was made of a single metal wire, fondly called a cat's whisker, touching against a semiconductor crystal.

ECONOMIST: The middle age of the transistor

So little wonder that at the time of the broadcast only about 200 receiving licences had been sold, although it is possible that many more tuned in on homemade crystal "cat's whisker" sets.

BBC: Broadcasting in Wales: 90 years since BBC went on air

To create the point-contact transistor, Shockley's team modified the cat's whisker by placing two fine metal wires close together on the surface of a germanium crystal, turning it from a diode into a triode.

ECONOMIST: The middle age of the transistor