lacuna的复数形式怎么写？

Reasons of forming first cracks were foundry lacuna, impurity gathering , lard exiting.铸造缺陷 、 杂质元素偏聚和夹杂物的存在是形成早期裂纹源的原因.There was so much very deep lacuna in his crude big hands.粗糙的大手上一道道很深的裂口.Objective To investigate the...

lacuna的音标：lacuna的英式发音音标为：[lə'kju:nə]lacuna的美式发音音标为：[lə'kjunə]...

n.空白，空隙，腔隙，缺陷...

headachy的音标：headachy的英式发音音标为：['hedeɪkɪ]headachy的美式发音音标为：['hedˌeɪkɪ]...

Jesuit的复数形式为：Jesuits...

“合力”的英语可以翻译为：join forces，pool efforts，[物] resultant of forces，resultant，composition of forces ...

bromomethane的音标：bromomethane的英式发音音标为：[brəʊ'məʊmeθeɪn]bromomethane的美式发音音标为：[broʊ'moʊmeθeɪn]...

Heterophyllidae的音标：...

It was a tough course over a gradual ascent before the big climb of Bluebell Hill.在爬崎岖的蓝钟山之前有一段很难走的上行缓坡路。The girl picked herself up and pulled a bluebell out of her hair.姑娘坐起身来,从头发里摘出一枝风信子.Bluebell Fragrance. Fragrances ...

“城市化”的英语可以翻译为：urbanization ...

ability的音标：ability的英式发音音标为：[ə'bɪləti]ability的美式发音音标为：[ə'bɪləti]...

footbridge的复数形式为：footbridges...

n.皮下投药法...

船癫狂地前进,像是发了野性的马.The four men took up their positions , roaring with laughter and urging her on....

n.磁发电机...

The timing of the gun was precisely synchronized with the turning of the plane's propeller.风门的调速与飞机螺旋桨的转动精确同步。The synchronized low - frequency rectifier is similar to a push - pull rectifier.同步 低频 整流器与推挽整流器相似.The vo...

“借以”的英语可以翻译为：so as to，for the purpose of，by way of ...

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