AP News:东京开始奥运会倒计时

1.The Al-Shabab extremist group has claimed responsibility for the attack.

claim responsibility宣称为某事负责

The Taliban claim responsibility for the execution - style street shooting , contending she was trying to spread Christianity.
塔利班声称对以处决的方式杀害威廉斯承担责任, 因为威廉斯在试图传播基督教.

2.The 2020 Summer Olympic Games are almost three years away, but that's not stopping Japan from getting excited about playing host to the games in Tokyo.

stop from阻止某事发生

The guard stopped him from going through the gate.
警卫不让他通过大门。