溴化反应较不易发生.Bromination takes place less readily.溴化烷可以这样形成.Alkyl bromides can be produced this way.溴化氢加成的最后一步,是负离子亲核试剂的附加.The addition of hydrogen bromide involves the attachment of an anionic nucleophile in the final step...
将会裁员160人的消息在该团体中掀起了一阵骚动。News of 160 redundancies had sent tremors through the community.戴利主教说他听到红衣主教去世的消息后感到极为震惊和难过。Bishop Daly said he was devastated by news of the Cardinal's death.我们从可靠的消息来源获知索尼娅非常爱自己的家人。Sonia, w...
家家有本难念的经，也都难免互生嫉妒，但总归血浓于水。Families have their problems and jealousies, but blood is thicker than water.儿童会通过在操场上对打或互骂的方式解决争端。Children would settle disputes by trading punches or insults in the schoolyard.他们互致问候。They exch...
Here were crumbling tenements, squalid courtyards and stinking alleys.随处可见破烂的住房 、 肮脏的庭院和臭气熏天的小胡同.The tenements are in a poor section of the city.共同住宅是在城中较贫苦的区域里.A two - family house has two tenements.一座两家合住的房屋含有两所住宅....
Polonium is a highly radioactive element and a metalloid.钋是高放射性的元素,金属.Arsenic is a metalloid element.砷是一种金属元素.Metalloid mine product already became our country's important exit to achieve collect goods.非金属矿产品已成为我国重要...