yawn的一般过去时怎么写

She stretched her arms out and gave a great yawn.她伸了个懒腰，打了个大哈欠。She makes no attempt to stifle a yawn.她忍不住打了个哈欠。The debate was a mockery. A big yawn.这场辩论实在可笑。简直是无聊透顶。...

yawn的音标：yawn的英式发音音标为：[jɔ:n]yawn的美式发音音标为：[jɔn]...

yawn的现在进行时为：yawning...

yawn的复数形式为：yawns...

yawn的现在完成时为：yawned...

yawn的第三人称单数（三单）为：yawns...

The concert was a predictable yawn.果不其然，那场音乐会很乏味。She stretched her arms out and gave a great yawn.她伸了个懒腰，打了个大哈欠。Her yawn suggests that she is sleepy.她打哈欠表示她很困了。The meeting was one big yawn from start to finish.那会议自始至终十分无...

vi.打呵欠，张开，裂开，张开大口n.呵欠，无聊的人或事，裂口...

Taps, reamers, drills, saws, milling cutters, burnishing tools, and so on, have all been successfully plated.丝锥 、 铰刀 、 钻头 、 锯片 、 铣切刀具 、 磨光工具以及其它等等, 所有这些方面的片镀都是很成功的.Pure white was obtained by entirely effacing burnishing ...

lambent的音标：lambent的英式发音音标为：['læmbənt]lambent的美式发音音标为：['læmbənt]...

“参宿二”的拼音为：shēn xiù èr...

乙嗪...

prognosis的复数形式为：prognoses...

lanostadienol的音标：lanostadienol的英式发音音标为：[lænɒs'teɪdɪənɒl]lanostadienol的美式发音音标为：[lænɒs'teɪdɪrnɒl]...

美索舍平...

n.告别，辞行( adieu的名词复数 )...

shied的音标：shied的英式发音音标为：[ʃaɪd]shied的美式发音音标为：[ʃaɪd]...

v.引用议事录与他人对质...

v.（用偏袒的辩解或借口）减轻( extenuate的过去式和过去分词 )，低估，藐视...

“胆胺”的拼音为：dǎn àn...

THE " MOVEMENT OF THE RIFFRAFF "所谓 “ 痞子运动 ”The army should strictly discipline riffraff.部队要严格管教那些兵油子....

“铺开”的反义词：收拢, 卷起。...

They brought pineapples and huge bunches of bananas.他们带来了菠萝和大串大串的香蕉.Lichees and pineapples are close to unit price elasticities among summer fruits.夏季水果自身价格弹性中仅荔枝及凤梨接近单一价格弹性.tropical fruits, such as bananas and pineapple...