parasitic bee

例句：

1. 1. Parasites can cause serious health problems in their hosts.
   寄生虫可以在宿主体内引起严重的健康问题。
2. 2. The parasite is a tiny creature that lives inside the host's body.
   这种寄生虫是一种微小的生物，生活在宿主体内。
3. 3. Some parasites are deadly, while others are harmless but still cause discomfort.
   有些寄生虫是致命的，而其他一些虽然无害但仍然会引起不适。