“打呵欠”用英语怎么说

她听讲座时一直在打呵欠.She yawned during the lecture.听得见我打呵欠的声音 么 ?Can you hear my yawn?我上他的课时, 总是竭力地制止自己打呵欠.When I attended his lecture, I always tried hard to strangle yawns....

“冠羽”的英语可以翻译为：crest ...

perimeter的音标：perimeter的英式发音音标为：[pə'rɪmɪtə(r)]perimeter的美式发音音标为：[pə'rɪmɪtɚ]...

Our bodies derive an abundance of hematin from food.人体从食物中取得大量的正铁血红素.Conclusion: Purified SOD, hematin and nourishing peptone were successfully extracted and prepared from hog blood.结论: 从猪血中成功制备了产率与纯度较高的SOD 、 红素以及营养价值较高的...

船员在救生筏上呆了两天两夜。The crew spent two days and nights in their raft.我游到救生筏前，死命地抓住它。I made for the life raft and hung on for dear life.10名渔夫从救生筏上被救到了安全处。Ten fishermen were plucked to safety from life-rafts....

“讨”的反义词：还。...

Process for synthesizing dimethyl phthalate ( DMP ) for phthalic anhydride and methanol has developed.研究以苯酐、甲醇为原料合成邻苯二甲酸二甲 酯 的方法.Methanol can also degrease the skin, which may cause dermatitis.甲醇也会引起皮肤脱脂, 引发皮炎.The colorl...

parachutist的复数形式为：parachutists...

battle的第三人称单数（三单）为：battles...

Under proper condition the dibasic alcohol and bisphenol the system have no effect to imidization.实验结果表明,在适当反应条件下,大量脂肪族二元醇和双酚的存在不影响亚胺化反应....

cytarabin的音标：cytarabin的英式发音音标为：[sɪtɑ:ræ'bɪn]cytarabin的美式发音音标为：[sɪtɑræ'bɪn]...

1.5 million cubic metres of earth were moved.共搬运土方150万立方米。He was stripped of his Olympic Hundred Metres gold medal after testing positive for steroids.类固醇检测呈阳性后，他的奥运百米金牌被收回。1.5 billion cubic metres of earth were/was move...

downbeat的复数形式为：downbeats...

globismycin的音标：globismycin的英式发音音标为：[ɡ'ləʊbɪzəmi:kɪn]globismycin的美式发音音标为：[ɡ'loʊbɪzəmikɪn]...

[人名] [英格兰人姓氏] 奥斯本 Osborn的变体，[地名] [英国、英国] 奥斯本...

He leaned back in the swivel chair and locked his fingers behind his head...他仰靠在转椅上，十指交叉枕在脑后。Hoses - Three 6 foot color - coded hoses with female threaded swivel couplings.三条6英尺长彩色软管,带内螺纹旋转接头.The practical side - swivel ...