🗣️ 情景例句
Where did you come from?
你从哪里来？
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。