3 sentences for 寄生 (jì​shēng — parasitism; parasitic)

1. 是的，蚊子有寄生虫。

   shì​de, wén​zi yǒu jì​shēng​chóng.

   Yes, mosquitoes have parasites.

   Source: CCMatrix

2. 想要除掉这些寄生虫很不容易。

   xiǎng​yào chú diào zhè​xiē jì​shēng​chóng hěn bù​róng​yì.

   It is not easy to get rid of these parasites.

   Source: CCMatrix

3. 您必须首先冷冻鱼类，杀灭任何寄生虫。

   nín bì​xū shǒu​xiān lěng​dòng yú​lèi, shā​miè rèn​hé jì​shēng​chóng.

   You must freeze the fish first to kill any parasites.

   Source: CCMatrix