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]...

When the rice isn't cooked properly it goes lumpy and gooey.米饭没煮好会结块，而且软黏黏的。Is the mattress lumpy and saggy?床垫是否高低不平并且下陷？The fingers were gnarled, lumpy, with long, curving nails suggestive of animal claws.手指粗糙，关节突出...

n.烧灼，腐蚀...

stink的音标：stink的英式发音音标为：[stɪŋk]stink的美式发音音标为：[stɪŋk]...

n.语标符号，简写，速记用略字...

n.光纤，（织物的）质地，纤维，纤维物质...

An aircraft gaining speed during take - off is evidently not an inertial system.一架正在加速起飞的飞机,显然不是惯性系统.In undisturbed inertial motion, the angular momentum is constant.在无扰动惯性运动中, 角动量是恒定的.That inertial systems exist is a st...

longbill的音标：longbill的英式发音音标为：[lɒŋ'bɪl]longbill的美式发音音标为：[lɒŋ'bɪl]...

“ 我想锚地大概是在南面那个小岛的后面 吧 ?”'The anchorage is on the south, behind an islet, I fancy?'我的身后是大海, 前面是锚地.Behind me was the sea, in front the anchorage.这是幅凄凉的景象, 但这也告诉我们这锚地非常平静.It was a sad sight, but It'showed us ...

“当选”的英语可以翻译为：e elected，come in，election ...

Eucalanus的音标：...

宇航员取回了一块月岩样本.Astronauts brought back a piece of the moon.1993年, 一块苏联的月岩标本在苏富比拍出了$442, 500的高价.S . government property . At Sotheby's in 1993, a Soviet sample fetched $ 442, 500....

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The President authorizes the judicious use of military force to protect our citizens.总统授权可以明智而审慎地动用军队保护我们的公民。The dictionary authorizes the two spellings'traveler'and'traveller '.字典裁定 traveler 和travell...

“三角”的英语可以翻译为：triangle，trigonometry，trigonum (pl. trigona)，[电影]Sankaku...

n.图示湿度表，图示湿度计...