However numerous patent disputes, and a blocking attempt by the radio Corporation of America, who thought it would destroy AM radio, halted its advancement.

但是很多对于专利的争议，以及美国的收音机公司对此的阻挠(他们认为调频收音机的发明会毁了调频广播)使之前的进步趋于停滞。

youdao

I once thought of blocking you out too. I understand your feelings, so do not feel guilty.

我也曾想过像你这样离开，我明白你的感受，所以请不要内疚。

youdao

Bed-blocking is often thought to occur due to a lack of care home places for the elderly.

BBC: Gloucestershire hospitals failing over 'bed-blocking'