draw a blank什么意思？

draw a blank的音标：draw a blank的英式发音音标为：[drɔ: ə blæŋk]draw a blank的美式发音音标为：[drɔ e blæŋk]...

As he walked he prayed: Let Mr. Cao be back, don't let me draw a blank!一边走,一边心里祷告着: 曹先生可千万回来了, 别教我扑个空!Fallen flowers intends to woo flowing water, only to draw a blank.落花有意随流水, 流水无心恋落花.Every professional knows his e...

锰氧磷灰石...

铁 、 镍 、 铜, 银 、 金, 铱或钌,可用作复合催化剂金属.Iron, nickel, copper, silver, gold, iridium , or ruthenium may be included as cocatalyst metals.使用同样方法, 铱被熔合与铑.Using the same approach, iridium is alloyed with rhodium.铱系统与AMPS系统之比较 ( 续 )...

abbr.operations research research 业务调查研究...

我们是至亲.We are nearly related.我姑母是我唯一的至亲.My aunt is my only immediate relative.余素信服者,乃山河破碎之际,林肯总统之言——既是至亲, 终不为敌.As Lincoln said to a nation far moredivided than ours , we are not enemies but friends....

The material can absorb outward-going radiation from the Earth.该物质可以吸收地球向外辐射的能量。The banks would be forced to absorb large losses.银行将被迫承受巨大的损失。His ability to absorb bits of disconnected information was astonishing.他吸收利用互不...

n.[乐]速度，拍子，（运动或活动的）速度，进度，（下棋的）一着，一步...

n.微型化...

“要道”的拼音为：yào dào...

adj.靛蓝的，靛青的...

spelling的音标：spelling的英式发音音标为：['spelɪŋ]spelling的美式发音音标为：['spɛlɪŋ]...

花生结荚期明显受土壤水分胁迫影响.The peanut was suffered from water stress at its pod setting stage.在大豆的开花期和结荚期, SFE 可以增加蔗糖酶的活力.SFE could elevate the activity of invertase in vivo during the periods of flowering and pod - filling .豇豆苗期前...

不减数分裂...

“喜筵”的拼音为：xǐ yán...

“滋味”的英语可以翻译为：taste，relish，tang，flavour，flavor ...

cedi的复数形式为：cedis...