灯泡的灯丝发出耀眼的光。
The ___filament in the bulb emits a bright light.
蚕丝是由极细的纤维组成的。
Silk is made up of very fine ___filaments.
3D打印机通过加热塑料细丝来创建物体。
The 3D printer heats up the plastic ___filament to create the object.
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