Savi
abbr. science activities for the visually impaired 研究视力损害的科学活动
🗣️ 情景例句
The crowd flocked around the speaker.
人群聚集在演讲人四周。
Keep your body clean!
身体要常保持清洁。
Has our material been all right?
我们的原材料没问题吧？