Ultrapas
三聚氢胺(甲醛)树脂
🗣️ 情景例句
She is dying to know where you've been.
她极想知道你到哪去了。
The years teach much which the days never know.
学问集年而成，而每日不自知也。
Let me tell you about our product.
关于产品一事让我向你说明。