Holocoen
生态系(统), 群落社会
🗣️ 情景例句
I work part time in the summer to pay for my tuition.
我夏天做兼职来支付学费。
He is a fool who cannot be angry,but he is a wise man who will not.
不会发怒是蠢人，不愿发怒是聪明人。
Visitors have been asked to keep the woods clean and tidy.
游客已被告知要保持树林的整洁。