Deveolp
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🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
Every horse thinks his sack heaviest.
每疋马认为自己驮的袋子重。
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。