Neossology
幼鸟学
🗣️ 情景例句
I can't express myself very well in English.
我用英语表达不好。
That's a conservative point of view.
那是个保守的观点。
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，