请把答案写在黑板上。
Please write the answer on the blackboard.
▼点击显示答案
blackboard英 /ˈblækbɔːd/|美 /ˈblækbɔrd/
Please write the answer on the blackboard.
Please write the answer on the blackboard.
Please write the answer on the blackboard.
在 App 中完整学习这张卡片
在 App 中学习