n.繁荣；兴旺；激增；低沉声
n.帆杠；吊杆；支臂；尾桁；水栅
vi.急速增长；发出低沉声
vt.使兴旺；促进
It's a boom year this year. 今年是繁荣昌盛的一年。
He made his pile during the property boom. 在房地产生意兴隆期间他发了大财。
The oil market is enjoying a boom. 石油市场欣欣向荣。
City growth far outran the general population boom. 城市的发展大大超过总的人口激增。
We heard the sonic boom of a jet overhead. 我们听见头顶上飞机发出轰鸣声。
The boom swung over the deck. 帆杠在甲板上转动。
Please swing the boom overside. 请把吊杆甩到外档。
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。
The boom of the airplane was damaged. 飞机的尾桁受到损害。
用作不及物动词 (vi.)Business is booming. 商业正日趋繁荣。
The tower clock boomed out twelve. 塔楼上的大钟沉重地敲了十二下。
用作及物动词 (vt.)Foreign investments boomed the city. 国外投资使这个城市迅速繁荣起来。
This boom in adult education, in turn, helps to raise the intellectual standard of the whole country. 而成人教育热反过来又促进了整个国家文化水平的提高。
The entente, which has brought better communications with Spain, has helped to fuel the boom. 那项协议使得与西班牙的联系得到加强，这有助于促进当地的经济繁荣。
boom是象声动词,基本意思是“隆隆作响”,常用于其引申意“繁荣”“激增”“迅速发展”。
boom是不及物动词,其现在分词booming在句中常用作伴随状语。
非洲树蛇
