Ectocommensal
n. [生]外共生体,外共栖体(指在生物体表生活的共生体)
🗣️ 情景例句
Hello. This is Richard Stewart.
你好， 我是Richard Stewart。
We would appreciate it if you let us know whether you allow cash or trade discounts.
若能告知你方是否给现金折扣或商业折扣，将不胜感激。
A skeleton was dangling before my eyes.
一具骷髅悬挂在眼前，