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
Thank you, Mrs. Martinelli.
谢谢， Martinelli太太。
But the yesterday's forecast reported it'd be fine.
不过，昨天的预报说是会放晴的。
The temperature drops to -- 30 o and very few people attempt to cross the Pass.
气温下降到零下30度，试图跨越山口的人寥寥无几。