The Court of Appeal has a pivotal role in the English legal system.上诉法院在英国司法系统中起关键作用。

The summer of 1940 was to be a pivotal moment in the Second World War.1940年夏天会是第二次世界大战的关键时刻。

The elections may prove to be pivotal in Colombia's political history.这次选举可能在哥伦比亚政治史上至关重要。