Sssi
abbr. sites of special scientific importance 特别重要的科学场所
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
I'm writing to an old friend.
给一个老朋友。
No! You don't understand! Not before or after meals--instead of them.
“不是，你没听懂！不是饭前或饭后吃--而是代替三餐饭。”