cull的一般过去时怎么写？

vt.挑选，剔除，采，摘（花），精选n.拣出的东西，剔除...

It is usually good practice to cull the poorest prior to field planting.通常在实践上的好方法是在出圃栽植前挑出最弱的苗木.To save remaining herds and habitat, the national parks department is planning to cull 2000 elephants.为挽救现存兽群和它们的栖息地，国家公园部计...

cull的音标：cull的英式发音音标为：[kʌl]cull的美式发音音标为：[kʌl]...

cull的复数形式为：culls...

the annual seal cull每年对海豹的选择性宰杀It is usually good practice to cull the poorest prior to field planting.通常在实践上的好方法是在出圃栽植前挑出最弱的苗木.Said Dr. Cull to the high school students touring the laboratory.卡尔博士对前来参观实验室的高中生们说....

cull的现在完成时为：culled...

cull的第三人称单数（三单）为：culls...

cull的现在进行时为：culling...

“草除灵”的英语可以翻译为：enazolin，Legumez extra，Tricornox ...

aliment的复数形式为：aliments...

electronystagmogram的音标：electronystagmogram的英式发音音标为：[elektrənɪs'tæɡmɒɡræm]electronystagmogram的美式发音音标为：[elektrənɪs'tæɡmɒɡræm]...

heal的近义词/同义词有：mend, remedy, repair, correct, cure, convalesce, strengthen, medicate, mend, correct, repair, cure, recover, remedy, doctor。vt.heal的近义词（治愈;纠正）：mend, remedy, repair, correct, cure。heal的近义词（其他释义）：convalesce, ...

I found out he'd been watching pornographic videos.我发现他一直在看黄色录像。It is proclaimed in writing here to forbid selling of pornographic books.她博览群书,会通中外,是有名的才女.Our struggle against pornographic and illegal publications c...

n.味道，滋味，味觉，风味vt.& vi.尝，品尝vt.吃，喝，浅尝vi.尝味，略进（饮食），（少量地）吃，有某种味道...

“赞同”的近义词/同义词：附和, 赞成, 拥护, 同意, 赞助, 答应, 订交, 协议, 允诺, 赞许。...

HDLC的音标：...

leucinethylester的音标：leucinethylester的英式发音音标为：[lju:sɪ'neθɪlstər]leucinethylester的美式发音音标为：[ljusɪ'neθɪlstər]...

“母羊”的拼音为：mǔ yáng...

gangs的音标：...

matriarchy的音标：matriarchy的英式发音音标为：['meɪtriɑ:ki]matriarchy的美式发音音标为：['meɪtriɑrki]...

adv.微不足道地...

emigrate的第三人称单数（三单）为：emigrates...

He had chosen his words carefully in declaring that the murderers were madmen.他在宣布这些杀人犯精神错乱时，措词很谨慎。Also thou shalt be cut down, O Madmen; the sword shall pursue thee.玛得缅哪 、 你也必默默无声. 刀剑必追赶你.You also, O Madmen, will be bro...