Sclerification
硬化作用, 硬化组织
🗣️ 情景例句
and we should remove them as soon as possible.
我们要尽快把它切除。
Think all you speak, but speak not all you think.
想想你所说的一切，不要全部说出你所想的。
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，