vigilance什么意思？

Drugs are a problem that requires constant vigilance.需要对毒品问题长期保持警惕。Never relax your vigilance while you live in peace.你们要居安思危.Constant vigilance is necessary in order to avoid accidents.为了避免意外事故,必须经常保持警惕....

The birds cannot afford to relax their vigilance against predators.鸟儿不敢放松对捕食者的警戒。Constant vigilance is necessary in order to avoid accidents.为了避免意外事故,必须经常保持警惕.Never relax your vigilance while you live in peace.你们要居安思危.We...

vigilance的音标：vigilance的英式发音音标为：['vɪdʒɪləns]vigilance的美式发音音标为：['vɪdʒələns]...

She was seen in animated conversation with the singer Yuri Marusin.有人看见她与歌手尤里·马鲁辛交谈甚欢。The boy was so bright and animated.这个男孩活泼开朗，充满活力。Her hand movements are becoming more animated.她双手舞动得越发欢快了。...

methylmesylate的音标：methylmesylate的英式发音音标为：['meθɪlmɪsɪlət]methylmesylate的美式发音音标为：['meθɪlmɪsɪlət]...

n.可拆性...

“虚弱”的近义词/同义词：薄弱, 衰弱, 懦弱, 脆弱, 软弱, 亏弱, 虚亏, 病弱, 瘦弱。...

v.使变得年轻，使恢复活力( rejuvenate的现在分词 )...

液压起重机...

“补丁”的拼音为：bǔ ding...

Why is it common for students to download copyrighted music?为什麽学生下载有版权的音乐如同家常便饭?Want a different look for cursors? Download it here!想要新的滑鼠样式? 在这下载!When you download the font it may be in a compressed format, such as a zi...

mafia的音标：mafia的英式发音音标为：['mɑ:fɪɑ:]mafia的美式发音音标为：['mɑfɪˌɑ]...

“火柴杆”的英语可以翻译为：splint，matchstick ...

“ 天哪! ” 和 “ 哎哟 ” 都是感叹词." Good Heavens! " and " Ouch ! " are interjections.俄语感叹词是表达情感和意愿的词.Russian exclamations are words that express feeling and willingness.是形容词 吗 ?是感叹词 吗 ?还是夸大其词?Are they terms of endearment ? epithets...

The reported adverse events including allergic reaction, headache, nausea, diarrhea, bellyache, pressure change, and subcutaneous ecchymosis.报道的不良反应包括变态反应, 头痛, 恶心, 腹泻, 腹痛, 血压变化, 皮下淤斑.They may complain of diarrhea or bell...

“互换”的英语可以翻译为：interchange，counterchange，mutual exchange，double replacement，crossing-over ...

adj.二金属的，复本位制的...

quails的音标：...