Tetrahydropyrane
[化] 四氫吡喃
??? 情景例句
All set for lunch, Harry.
午餐的一切都準(zhǔn)備好了， Harry。
He cut his finger because he was careless.
他不小心割破了手指頭。
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一時間我們還在山頂上行走，而現(xiàn)在30公尺開外的地方我們都看不清了。