我爷爷养了一只金丝雀，它每天早上都会唱歌。

My grandfather keeps a ___canary that sings every morning.

这些志愿者被当作'金丝雀'（探路者）派往灾区评估情况。

The volunteers were sent as ___canaries to assess the situation in the disaster area.

她买了一条金丝雀颜色的围巾，非常明亮。

She bought a scarf in ___canary color, which is very bright.