Stackup
n. 分层盘旋飞行
🗣️ 情景例句
in the school and loving every minute of it.
在学校 ，且乐此不疲， 时时如此。
How long will ti take you to finish the work?
你要花多长时间才能完成那项工作？
Will you help me plant this tree, please?
你愿帮着种这棵树吗？