She climbed the staircase cautiously, holding fast to the rail.她紧紧地抓着栏杆，小心翼翼地爬楼梯。She heard the priest's familiar, flat footfall on the staircase.她听到楼梯上传来牧师那熟悉的单调脚步声。He followed her up a rickety staircase to a squali...
She heard the priest's familiar, flat footfall on the staircase.她听到楼梯上传来牧师那熟悉的单调脚步声。They walked down the staircase together.他们一起下了楼梯。He followed her up a rickety staircase to a squalid bedsit...他跟着她上了一段摇摇晃晃的楼梯，来到了一间...
The gas , which is sulphur - free , contains 89 - 99 % methane, up to 6 % ethane, and 3 % propane.天然气不含硫, 含甲烷88-99%, 乙烷6%和丙烷3%.The method and the condition of separation epoxy ethane from dihydric alcohol are described.介...
Blake could see he had needled Jerrold, which might be unwise.布莱克看得出他已经惹怒了杰罗尔德，这也许并不是什么明智之举。I think this is extremely unwise.我觉得这种做法极不明智。It would be unwise to comment on the situation without knowing all the facts.不全面了解情...
She paused as she pounded the maize grains.她捣玉米粒时停了一下。There's a field planted with maize behind the house.房子后面有一块玉米地.We can grow sorghum or maize on this plot.这块地可以种高粱或玉米....