Silicea
硅剂
🗣️ 情景例句
Oh, you know I never answer that question, Harvey.
噢 你知道我从不回答这类的问题 Harvey。
Is it convenient to you if I come at 6 p.m.?
如果我下午6点来拜访你，方便吗？
But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten.
但是，和我们相似的原始人生活的年代太久远了，因此，有关他们的传说既使有如今也失传了。