Unflapped
a. 镇静的,镇定的,沉着的
🗣️ 情景例句
so I wouldn't lose them.
免得我弄丢了。
Have you been listening?
你有没有在听啊？
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，