laitance是什么意思？

laitance的音标：laitance的英式发音音标为：['leɪtəns]laitance的美式发音音标为：['leɪtəns]...

杂技演员头上危险地顶着一叠瓷碟.A pile of china dishes rested precariously on the head of the acrobat.他把一叠厚厚的卡片扔在书桌上.He drops an impressive - looking batch of cards down on the desk.法律顾问翻动了一叠文件.The general counsel shuffled papers....

这就是所谓的催化裂化.It is known as catalytic cracking.裂化是使较重的低挥发性的碳氢化合物分裂成较小分子的化学分裂.Cracking involves the chemical breakdown of higher, less volatile hydrocarbons into smaller molecules.FCC(流化催化裂化 ) 是炼厂生产汽油的主要方法之一.The Fluid Catal...

gardened的音标：gardened的英式发音音标为：['ɡɑ:dnd]gardened的美式发音音标为：['ɡɑdnd]...

manage的近义词/同义词有：supervise, administer, operate, handle, lead, regulate, control, direct, run, conduct, work, govern, work, lead, handle, use, wield, govern, head, manipulate, engineer, drive, actualize, control, regulate...

scrape的近义词/同义词有：plight, embarrassment, predicament, complication, mess, strait, trouble, pinch, muddle, rub, skim, grate, brush, graze, abrade, pare, skin, scratch, touch, scotch, shave, sand。n.scrape的近义词（窘境,困境）：plight, ...

n.（多）刺果，（刺果般的）粘附物，牙钻( bur的名词复数 )...

disarms的音标：...

casual的比较级为：more casual...

abrasiometer的音标：abrasiometer的英式发音音标为：[əb'reɪsɪəmɪtə]abrasiometer的美式发音音标为：[əb'reɪsɪrmɪtə]...

v.把（某物）切成或磨成斜边或斜角( bevel的现在分词 )...

bolls的音标：...

板条子操作，双层灰条...

“滥用的”的拼音为：...

Erepsin is secreted by glands in the wall of the small intestine.肠肽酶是由小肠壁的腺体分泌的....

We were obligated to attend the opening ceremony.我们有必要参加开幕式.Many guests were invited to opening ceremony.许多来宾应邀参加了开幕式.The opening ceremony was a fine spectacle.开幕式典礼是个壮观的场面....