Savi
abbr. science activities for the visually impaired 研究视力损害的科学活动
🗣️ 情景例句
Get this place picked up immediately. do you read me?
马上把这里收拾干净，听明白没有？
What is that to you?
那对你算什么？
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。