on the alert的意思

Drivers must be on the alert for traffic signals.驾驶员必须密切注意交通信号.They were constantly on the alert not to be taken by surprise.他们一直处于常备不懈状态以防突然袭击.Hearing this, I was instantly on the alert.我一听这话, 当下就警惕起来....

on the alert的音标：on the alert的英式发音音标为：[ɔn ðə ə'lə:t]on the alert的美式发音音标为：[ɑn ði ə'lɚt]...

n.填空隙，塞缝v.堵（船的）缝( calk的现在分词 )，泥…的缝，填塞，使不漏水...

necessities的音标：necessities的英式发音音标为：[nɪ'sesɪtɪz]necessities的美式发音音标为：[nɪ'sesɪtɪz]...

aggrandize的一般过去时为：aggrandized...

An iteration procedure can be used to determine the eigenvalue.迭代方法可用来确定特征值.To this end we shall first consider the following eigenvalue problem.为此目的,我们将首先考虑下列的本征值问题.We can not say for certain which eigenvalue will be ob...

达到标准，成功，及格，够标准...

adj.附属的，附加的...

“战争”的反义词：和平, 和谈。...

“仓库”的英语可以翻译为：storehouse，warehouse，depot，repertory...

n.手臂麻痛...

individuation的音标：individuation的英式发音音标为：[ɪndɪˌvɪdjʊ'eɪʃən]individuation的美式发音音标为：[ɪndəˌvɪdʒʊ'eɪʃən]...

v.（使）提高( sharpen的第三人称单数 )，（使声音）变得尖锐，（使）变得更好（或技术更高、更有效等），（使）变得锋利...

我把他们的聚会弄砸了,这个罪可怎么赔得起呀?How can I ever make amends for ruining their party?总有人干这种没头没脑的事，把你的事情全弄砸。Somebody goes and does something mindless like that and just destroys everything for you.这次我不需要你告诉我,我怎么把事情弄砸了.This is one tim...

Simply put, SIP sacrifices completeness for simplicity, flexibility and extensibility.简单地投入, SIP为朴素牺牲完整性, 灵活性和延伸性.The devotees sing, sip warm drinks, play cards and huddle together.球迷们唱着歌, 呷着热饮料 、 打扑克,挨挨挤挤,互相拥作一团.Wiping ...

n.底栖生物水底生物，洋底...

The solid on whose surface adsorption occurs is called the adsorbent.在表面上发生吸附作用的固体叫吸附剂.Both inorganic and organic surfaces constitute the soil adsorption complex.无机和有机表面组成土壤吸附复合体.Molluscicides are quickly inactivated by ...