Silice
二氧化硅
🗣️ 情景例句
Look before you leap.
三思而后行。
I'm willing to bet he'll lose.
我愿意赌他输。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，