Silvical
a. 造林学的, 森林生态学的
🗣️ 情景例句
I'm exhausted. I had to work until 2 o'clock this morning.
我累死了。我一直得干到今天早上2:00。
How long will the flight be delayed?
班机诞误多长时间？
How do you do?
您好！