by twos是什么意思？

by twos的音标：...

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....

Increased recruitment of women engineers will help correct the gender imbalance in the profession.多聘请女工程师有助于平衡这一职业中存在的性别失衡.Voluntary recruitment for these Services should however be strongly encouraged.但是对于志愿的应募,应该大力加以鼓励...

The drooping willows are waving gently in the morning breeze.晨风中垂柳袅袅.I could see the beam of his flashlight waving around in the dark.我可以看到他的手电筒光在黑暗中上下舞动。He had unmistakably been waving his flag to attract the referee�...

vt.除去海水等之盐分及其他化学物质，脱盐...

n.恢复，复原，巧妙的回答或反驳，东山再起，回归...

miharaite的音标：miharaite的英式发音音标为：[mɪ'hɑ:rəaɪt]miharaite的美式发音音标为：[mɪ'hɑrəaɪt]...

Environmental groups are up in arms about plans to sink an oil well close to Hadrian's Wall.环保组织极力反对在哈德良长城附近打油井。Emperor of Rome ( 38 -') who was the adopted son and successor of Hadrian.安东尼·庇护:罗马皇帝 ( 38-'年...

gifted的音标：gifted的英式发音音标为：['gɪftɪd]gifted的美式发音音标为：['ɡɪftɪd]...

[人名] 卡特利特...

草地上撒满了秋叶.Autumn leaves strewed the lawn.鹅卵石路上撒满温热的石头碎片.The warm stones strewed their flakes upon the cobble.他的上衣撒满了纸烟灰.His coat was sprinkled with cigarette ashes....

acotyledon的音标：acotyledon的英式发音音标为：[ˌeɪkɒtɪ'li:dn]acotyledon的美式发音音标为：['eɪˌkɒtəl'idən]...

laparocholecystotomy的音标：laparocholecystotomy的英式发音音标为：[ləpærəʊkəʊlsɪs'təʊtəmɪ]laparocholecystotomy的美式发音音标为：[ləpæroʊkoʊlsɪs'toʊtəmɪ]...

“群山”的拼音为：qún shān...

n.实践性，实际性，实用性，实际，实例...

n.笨重的人，高球( lob的名词复数 )v.打缓慢的球，蹒跚地走( lob的第三人称单数 )，投掷...

n.（违法犯罪团伙的）头目，首恶，元凶( ringleader的名词复数 )...