thumbs 和 thumb 什么时候可以用复数 什么时候用单数

thumbs 和 thumb 什么时候可以用复数 什么时候用单数 rule of thumb give someone the cold shoulder twiddle your thumbsrule of thumbgive someone the cold shouldertwiddle your thumbs all thumbs、green thumb、bird brain、tongue-tried这些习语是什么意思?第4个是tongue-tied,对不起，打错了 thumb是大拇指,棒极了的带有褒义的词.可是 l'm all thumbs.却是我很笨的意思,这thumb是大拇指,棒极了的带有褒义的词.可是l'm all thumbs.却是我很笨的意思,这句谚语有什么由来吗? 英语翻译clean handswash one's hands oflay hands on at handeat out of one's handon the other hand have one's hand fullget on one's nvervesget up the nerveunder the thumb of twiddle one's thumbsall thumbs green thumbturn thumbs downthumbs up under the thumb 和play hard to get thumb是什么意思? thumbs down to texting 如何删除thumbs thumbs down to texting 试说明电容和电感元件什么时候可看成开路,什么时候可看成短路? 教我转笔!Thumb around normal、Thumb around reverse和Thumb spin!教我以上三种招式,这三种都是新手入门招式,特别要强调的是：我经常在做Thumb around normal时,变成了Thumb spin,要怎么样才能两个招式不混淆, 英语翻译the thumbs-up sign In the Unites States,the gesture means good going! But in Bangladesh,it is a taunt,and in other Islamic countries it is the equivalent to the upraised middle finger.The A-OKAY Joining the thumb and index finger in cir 长江什么时候进入汛期,是不是可分为春汛和秋汛? finger和thumb的区别?请明白的朋友告诉我下! all thumbs,without the stigma 翻译：i'm all thumbs the thumb还是the thumb finger