Somasteroid
a. 体海星纲的,体海星亚纲的
🗣️ 情景例句
Another generation to carry on the Stewart name.
这是承继Stewart家族香火的新一代。
She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
The nurse assisted the doctor in the operating room.
护士在手术室协助医生动手术。