Silicea
硅剂
🗣️ 情景例句
I beg your pardon? Oh, I see.
你说什么？ 噢， 我明白了。
Any tickets left?
有剩票吗？
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
昨天，消防队员仔细查看了地面，但未能发现碎玻璃。