The ability of clay minerals to catalyse decarboxylation has long been recognised.粘土矿物能催化脱羧基作用是早已认识到的问题.The results demonstrate that this catalyse has an excellent activity and selectivity this reaction.结果表明该催化剂对此合成反应具有很...
他载着一大车干草驶过。He drove by with a big load of hay.他能闻到粪臭和清新的干草味。He could smell muck and clean fresh hay.一支香烟把干草点燃了。A cigarette set the dry grass alight ....
一些词语略微有些冒犯的意思, 还有一些几乎是不能说的.Some words are mildly offensive, while are nearly unspeakable.不是故意冒犯的.The offense was unintentional.国内播音员决定禁止任何可能招致冒犯的歌曲或者剧目.Domestic broadcasters decided to ban any songs or plays that could c...