Aggregational
聚集的; 集合的
🗣️ 情景例句
Oh, you think you're going to have a hard time
你认为需要大费周折
You're very kind to take the trouble to help me.
谢谢你不怕麻烦帮助我。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。