重点讲解：
1. a series of 一连串；一系列；连续；接连；
A drug-related gang war led to a series of shootings in the city.
一起与毒品有关的帮派火并引发了该市一连串的枪击事件GgU4d3;MC5。
2. take place （尤指在控制或组织下）发生，进行，举行；
When the attack took place, there were no victim support schemes.
当袭击发生后，没有任何援助受害人的方案6uyULF!6x1wFo#。
3. in connection with 关于；与…有关；
A man is being questioned by police in connection with an attack on a disabled woman.
警方正在询问一名涉嫌袭击一位残疾女性的男子az^SGr)hv4jsQWx6@。
4. carry out 实施；执行；实行；
Police say they believe the attacks were carried out by nationalists.
警方说，他们认为袭击是民族主义分子发动的DCs,jxwk%_INPS4ArK。