及物动词
1. Foreign investments boomed the city.
国外投资使这个城市迅速繁荣起来。
不及物动词
1. Our teacher boomed out his answer.
我们的老师用低沉的声音作出回答。
2. Business is booming.
生意日趋繁荣。
名词
1. The booms kept the logs from flowing away.
栅栏挡着原木,不让它们飘走。
2. boom的翻译
2. The long boom of the crane functions like our arms.
起重机的长臂与我们的手臂功能相同。