by twos是什么意思？

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....

by twos的音标：...

bon的音标：bon的英式发音音标为：[bɒn]bon的美式发音音标为：[bɔn]...

“偷猎”的拼音为：tōu liè...

I didn't so much as catch sight of him all day long.我一整天都没见他人影。Don't let me catch sight of you doing it again!别让我再看到你干这种事了!Every time I catch sight of myself in the mirror, I feel so disappointed.每次我瞥见镜子里的自己就觉得...

乳牛的喂养方法发生了巨大的改变。The feeding of dairy cows has undergone a revolution.不能既想卖乳牛,又想喝牛奶.You cannot sell the cow and sup the milk.大多数乳牛约10个月后就不再有奶了.Most cows run dry in about 10 months....

She had a habit of taking an occasional nip from a flask of cognac.她有偶尔喝一小口干邑的习惯。The vacuum flask has a strong casing, which won't crack or chip.这种热水瓶瓶身坚固，不易断裂破碎。...the vacuum flask that was resting on top of the st...

cat的现在完成时为：catted...

n.酥皮水果馅饼，修鞋匠，胡说，废话...

“阵雨”的英语可以翻译为：[气] shower ...

n.背书，担保，认可...

“主流的”的英语可以翻译为：mainstream...

“性能”的近义词/同义词：功能, 机能, 职能, 本能。...

n.同型异源性...

目的应用多层综合的除皱方法使老化的面部年轻化.Objective The multiple - layer composite rhytidectomy is presented in this paper for correction of the facial aging....

等原子环...

They cynically tried to trade off a reduction in the slaughter of dolphins against a resumption of commercial whaling.他们见利忘义地试图以减少屠杀海豚数量作为交换条件，重启商业捕鲸。This project is one of the first fruits of commercial co-operation bet...