Perseulose
鳄梨酮糖, 半乳庚酮糖
🗣️ 情景例句
Smokers pollute the air.
吸烟污染空气。
There is a crook(=affliction,trial) in the lot of every one.
人生总有倒楣事；人生总有不如意处。
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。