Polyose
多糖
🗣️ 情景例句
Come on!
过来！
Jack will feel sorry when she leaves.
她一走，杰克会觉得悲伤的。
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。