Lymphatic filariasis is caused by infection with nematodes (round worms) of the family Filariodidea. There are three types of these thread-like filarial worms.
淋巴丝虫病的发病是因感染丝虫目线虫(圆形)引起。
This was, after all, an agricultural area, especially renowned for producing silk worms, silk thread and silk fabric.
毕竟，这里是农业地区，尤以出产桑虫、蚕丝和丝绸闻名。
This was, after all, an agricultural area, especially renowned for producing silk worms, silk thread and silk fabric.
毕竟，这里是农业地区，尤以出产桑虫、蚕丝和丝绸闻名。
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