by twos怎么读

They left by twos and threes.他们三三两两地离开.The students are coming into the classroom by twos and threes.学生们正三三两两地走进教室.They came in by twos and threes.他们三三两两地进来....

两个两个地，成双地...

For this reason the cycloid is called the tautochrone.由于这个缘故,摆线又叫做等时曲线.The vibration performance of cycloid ball planetary reducer was analyzed.分析摆线钢球行星传动减速器的振动特性.Double crank four ring - plate type cycloid drive is a ne...

The cart can automatic retracting, releasing and laying cables.本收放车具有自动收线、放线 、 排线功能.Arc ignition : retracting and scraping.引弧可采用“回抽”、“刮擦”起弧方式.I mean, is the art of retracting just too much for you?我是说, 这个缩进技术对于你太难了 吗 ?Th...

Tahiti的音标：Tahiti的英式发音音标为：[tə'hi:tɪ]Tahiti的美式发音音标为：[tɑ'hitɪ]...

[电] 消除，减除...

disorient的第三人称单数（三单）为：disorients...

In more elaborate weddings the best man will be assisted by several groomsmen and a ringbearer.在更为盛大的婚礼上,伴郎会由几个男傧相和一名男花童相伴....

menticide的音标：menticide的英式发音音标为：['mentɪsaɪd]menticide的美式发音音标为：['mentɪsaɪd]...

henbanetincture的音标：henbanetincture的英式发音音标为：[henbeɪn'eɪŋktʃər]henbanetincture的美式发音音标为：[henbeɪn'eɪŋktʃər]...

“焦化”的拼音为：jiāo huà...

engrave的一般过去时为：engraved...

“凤尾鱼”的拼音为：fèng wěi yú...

n.海牛（水生哺乳动物，体宽扁，尾圆，有鳃状肢）( manatee的名词复数 )...

“高价”的拼音为：gāo jià...

请不要帖上这些邮票, 我要集邮的.Please don't stick the stamp on; I like to collect them.你在哪里学集邮的?Where did you learn to collect stamps?他有集邮的癖好.He has a rage for collecting stamps....

The man tucked up his trousers for wading.那人卷起裤子,准备涉水.The children were wading in the sea.孩子们在海水中走着.At Jitra we went wading through bogs.在日得拉我们步行着从泥水塘里穿过去....