Obligatory parasite
[医] 专性寄生物
🧩 词语组成解析
🗣️ 情景例句
What are you doing this weekend?
你本周末打算干什么？
Only certain people are permitted to enter that club.
只有特定的人才被允许进入该俱乐部。
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。