boom 快速发展; 暴涨;
In 1999 it was the peak of the dotcom boom.
1999年,互联网的繁荣达到了巅峰。
The population boom brings relief and strain.
人口激增带来好处的同时,也带来了压力。
brand new 崭新,全新
The space is old, but the class is brand new.
虽然地方是老的,但这里的学习班模式却是全新的。
Oh, you purchased a brand new lexus?
喔,你买了一辆全新的雷克萨斯?
n. 树干,躯干,干线, 象鼻,(汽车后部)行李箱