He held onto the back of a chair (他抓住椅背)(新牛津词典例句)Hold tight to the railing, or you'll slip and fall.(章振邦新编高级英语语法384页)我想不通，为什么以上2个例句，hold后面要用介词， 为什么不是直接抓住某个东西，加了介词to为何？
Head injuries are often fatal, or of sufficient severity to require the hospitalization of victims。请问or是引导并列句吗？or of中的of在这里做什么用？victim是“受害者”的意思，用在这里来指代“病人”合适吗？
1）As hopeful as it is that the show will come back and allow him to pick up where he left off it seems likely that Cameron might move on and try to find success on another show or possibly in film if he gets the chance. （背景：句中的the show之前被砍掉不再继续拍了，但后来又...
...direct object with little or no meaning We hoofed it all the way back to camp. [=we walked all the way back to camp] We decided to rough it on vacation this year. [=to have our vacation somewhere where we would not have our normal comforts] living it up [=doing exciting...
...;Not only are Americans far more likely to focus on their children‟s intelligence and cognitive skills, they are also far less likely to describe them as “happen”&n...
Unable to tell whether someone really objects to behavioral ads or whether they are sticking with Microsoft's default, some may ignore a DNT( do not track ) signal and press on anyway.请问老师，1.开头的unable to tell ... 是形容词从句作状语吗？2.怎么理解形容词从句作...
Anthropologists have used these obvious differences to distinguish races, in an effort to catalog human variation. 请问这句中的"distinguish races"是词典中的哪一个意思？verb1.[ with obj .] recognize or treat ( someone or something ) as different 识别；区分The child is perfectly ...
stretch out释义：[INTRANSITIVE/TRANSITIVE] to lie down, usually in order to relax orto sleep例句：1）Porter stretched out on his bunk, hands clasped behind his head.2）He was stretched out full length with his head up before the sun.问题：例句1是正常表达，主语发出stretch out...
...系）”；英国语言学家A.
D. Wilkins也说过：“Nothing can be conveyed with vocabulary; little can be
conveyed without grammar（没有词汇，表达为零；没有语法，表达甚微）”。也就是说，词汇，不论对对语言学习，还是应付考试，都至关重要。没...
...t, that their identity isn't digitally "kidnapped" or that their photos don't end up on a half dozen child pornography sites, as one Australian mom discovered, parents and pediatricians are increasingly aware of the importance of protecting children's digital pre...
But on the whole, far from being the opposite of, or an antidote to, the world outside, with all its envy, feel, greed, and obsessive competitiveness, the schools are very much like it.老师好，请问这个with all its....是定语还是状语？
向尊敬的曹老师请教几个长难句：1. Debtor and creditor overdraw primarily , the banker-customer relationship is that of debtor and creditor—who is which depending on whether the customer's account is in credit or is overdrawn.Debtor and creditor overdraw primarily, the banker-customer...
...ey go about their business, unaware (we hope) of our presence.Who has not stood in awe at the sight of a spider pouncing on a fly,
or a column of ants triumphantly bearing home an enormous dead beetle? Last summer I spent days in the garden
watching thousands of ants crawling up the trunk of m...
...到有车在外面。183. reckonon
something (P2138)作“British
English to expect something to happen, when you are making plans 【英】指望，预料”解时，构成“reckonon doing
something”。例如：I was reckoning on
getting at least 60% of the votes.我希望至少能获得60%的...
...老师帮我评改一下，非常感谢！Chinese paper cut has a long history of over 2,000 years. It can be seen in different parts of China. Many people, no matter young or old, are fond of it. People in northern part of China do well in making paper cut. They cut paper into different shapes, lik...