Subtree order
[计] 子树次序
🧩 词语组成解析
subtree
[səbt'ri:]
子树;
order
['ɔ:də]
n. 命令;秩序;规则，制度;次序;
vt. 命令;订购;整理;
vi. 下订单;
🗣️ 情景例句
May I ask who I am talking to?
请问你是谁？
Most of them are less than 30.
他们中大多数不到30岁。
Five days ago, the policeman told him, the bicycle was picked up in a small village four hundred miles away.
那位警察对他说，那辆自行车是5天前在400英里外的一个小村里发现的，