byssophthisis

例句：

1. 1. The byssophthisis of the diseaseis that it can be easily spread.
   这种疾病的传染性在于它容易传播。
2. 2. The byssophthisis of the diseaseis that it can be easily spread.
   这种疾病的传染性在于它容易传播。
3. 3. The byssophthisis of the diseaseis that it can be easily spread.
   这种疾病的传染性在于它容易传播。