Centroid
n. 质心\\n[机] 瞬心线
🗣️ 情景例句
No, it's an original. My father's friend is a calligrapher, and I had him make it for you.
没错，这可是真迹。我父亲的朋友是书法家，专门帮你写的。
Speech is silver,silence is gold.
言语是银，沉默是金。
If so, look out for books, articles or magazines about them.
如果有，你就该找一些有关的书籍、文章或杂志来读。