单词	a visual aid
释义	a visual aid 视觉教具
随便看	partial broadcast channels partial budget partial bulkhead partial bundle Partial but incomplete dress partial bypass partial bypass fibers partial cable stayed bridge partial cable-stayed bridge partial calcination partial cancellation partial capacitance partial capacity partial capacity range partial carbondioxide pressure partial carbonization partial carburizing partial cargo Partial carpectomy partial carriage return partial carrier suppression partial carrl partial carry Partial case-control study partial cash