Doing
n. 行为, 活动
✅ 同义词
🗣️ 情景例句
Thank you, Robbie.
谢谢你， Robbie。
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
Fortunately, however, ancient men made tools of stone, especially flint,
然而， 幸运的是，远古人用石头制作了工具，特别是用燧石，