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
Is this your first trip to China?
这是你第一次到中国吗？
When did you get married?
你什么时候结婚的？
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。