Sedoheptose
[化] 景天庚酮糖\\n[医] 景天庚糖
🗣️ 情景例句
I'm really sorry to hear about that.
听到这个消息真让我感到难过。
I'm going to take four boxes.
我要拿四盒。
Every day he leaves his home and walks to the lift.
每天他离家后就步行去乘电梯。