Even among seasoned mountaineers Pinnacle Ridge is considered quite a tough proposition.即使在经验丰富的登山者中，平纳克尔峰也被认为是很难攀登的。The mountaineers bartered between each other.山民们彼此以货易货.The mountaineers did not begin to come down the ...
The mountaineers did not begin to come down the mountain till they had reached the top.登山者们登上顶峰后才开始下来.The nervy feats of the mountaineers were lauded.登山者有勇气的壮举受到赞美.Even among seasoned mountaineers Pinnacle Ridge is consi...
像《恳言评论》那佯的杂志,它的发行量居然赶得上《纽约人》.It's as if the Kenyon Review had The New Yorkers'circulation.你这样无精打彩, 我敢说我要赶得上你了.You're so low, I dare say I shall keep up with you.女孩子们得加快步子才能赶得上他.The girls had to hasten thei...
Braving the biting wind, she went out to beg from door to door.她不顾寒风刺骨, 出去挨门乞讨.He begged from door to door.他沿门讨饭.They went from door to door to advise the residents on how to store their vegetables.他们走门串户去指导居民如何贮藏蔬菜....
Protons are nearly 2000 times as heavy as electrons.质子的质量几乎是电子的2,000倍。Under certain conditions, electrons can behave like waves rather than particles.在一定条件下，电子可以作波状运动，而不是粒子状运动。Electrons are negatively charged with electr...