The armed forces were on high alert to guard against any retaliation.武装部队保持高度戒备，以防发生任何报复行动。The bank is alert to the danger.银行充分意识到了危险。All the Plymouth hospitals are on red alert.普利茅斯所有的医院都处于紧急状态之中。...
我把油画平放以防止未干的颜料流动。I lay the painting flat to stop the wet paint running.她抿了一口水，润一下发干的喉咙。She took a sip of water to moisten her dry throat.快点儿吧，多萝西。别去管你的鞋子了，它们很快就会干的。Dorothy, come on. Never mind your shoes. They'll so...
it's（带撇号）只能用作itis的缩约形式。"It's" (with an apostrophe) should be used only as a contraction for "it is".用句后括号中的词或词组来回答问题, 注意撇号的位置.Answer these questions, using the words in parentheses. Put the apostrophe in the ri...