画这幅画的时候，画家非常注意细节。The painting had been executed with meticulous attention to detail.他们同意将这幅画的价格提至4,500法郎。They agreed to bid the picture up to 4,500 francs.他画的画总是令人叹为观止。He always painted marvellously....
吡咯, 噻酚和呋喃的情况就是这样.Such is the case in pyrrole, thiophene, and furan.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.用糠醇和糠醛缩聚制备了新型呋喃树脂.A n...
久旱的禾苗逢甘雨.A sweet rain falls on the parched seedlings.久旱逢甘霖,他乡遇故知.To meet an old friend in a distant land is like refreshing rain after a long drought.久旱不雨、拥挤的沙滩、晒黑的皮肤、栎叶毒漆树、麦当劳快餐馆.Drought . Crowded beaches . Sunburn . Po...