ballast的一般过去时怎么拼写？

Tank Linings and pipe Coatings: Ballast and potable water tanks; Bilges, wet voids and drainage pipes.储罐衬里和管道用涂料: 压载水舱和饮水舱; 舱底 、 湿空舱和排水管.Ballast, ignitor and terminal pillars are installed in the body.灯体内装有镇流器 、 触发器和接线柱....

ballast的第三人称单数（三单）为：ballasts...

ballast的现在完成时为：ballasted...

ballast的复数形式为：ballasts...

ballast的音标：ballast的英式发音音标为：['bæləst]ballast的美式发音音标为：['bæləst]...

We can trust that company; the partners are in ballast all right.我们可以信任那家公司, 其合伙人都很可靠.He has got no ballast whatever.他这个人一点也不沉着.Then the sound of rumbling thunder reached the watchers on the shore, as cargo, ballast, amm...

ballast的现在进行时为：ballasting...

n.压舱物，压载物，道渣，碎石，镇流器，沉着vt.给某物装上压舱物，给…铺道渣，使稳定，使沉着...

Absorbed by solvent, butanone - toluene mixture was analyzed by gas chromatography ( GC ).利用溶剂吸收采集丁酮甲苯混合组分,并用气相色谱 ( GC ) 测定.In this thesis, the Henry coefficients of DMF, butanone and toluene in DBP were measured.论文测定了DM...

I was afraid the sickness had sapped my strength...我担心患病已让我元气大伤。The series of steep hills sapped the cyclists’ strength.一连串坡度很大的小山耗尽了骑车人的气力。The series of steep hills sapped the cyclists'strength.一连串坡度很大的小山耗尽了骑车人的气力....

n.闪辉响岩...

首相已委任一位平民为国防部长。The Prime Minister has appointed a civilian as defence minister.新委任此职务者the new appointee to the post这一委任使人欣慰.This appointment was greeted with relief....

n.法语( French的名词复数 )...

flowery的音标：flowery的英式发音音标为：['flaʊəri]flowery的美式发音音标为：['flaʊəri]...

这个煤层处于一层黏土岩之上.This seam of coal reposes on a layer of clay....

“紧迫的”的英语可以翻译为：hot，necessitous，[医] stringent，pressing ...

n.拂晓，黎明，开端，端倪v.破晓( dawn的现在分词 )，（天）刚亮，开始出现，变得明朗...

n.包铝钢板...

v.虚度( idle的过去式和过去分词 )，空转，挂空挡，未熄火...

sleigh的音标：sleigh的英式发音音标为：[sleɪ]sleigh的美式发音音标为：[sle]...

“牵线”的拼音为：qiān xiàn...

Smaller assemblies also let you amortize the cost of application startup.小程序集也让你将应用程序启动时的花费分解开来....bimonthly assemblies.两月一次的集会Avoid explicit custom version redirection and binding to CLR assemblies.避免显式地自定义版本改向和绑定到CLR程序...

Compare the use of which and what as determiners and pronouns in questions.试比较which和what用作限定词和代词时,在疑问句中的用法.Eachband everybare generally used as determiners before singular countable nouns.一般都作限定词,用于单数可数名词之前.Supply suitab...