用帆脚杆张开帆；以低沉的嗓音说出；最大伸距

低沉地发出; 用低沉的声音说话

book out───登记离开时间

boot out───解雇；撵走；逐出

zoom out───缩小

bottom out───降到最低点

books out───登记离开时间

boots out───解雇；撵走；逐出

zooms out───缩小

blot out───完全清除（思想、记忆等）；遮盖

blow out───吹熄；爆裂；（保险丝）熔断；减少或耗尽……的能量；喷出（油或气体）；取消

The clock began to boom out eleven.───时钟开始敲11点.

The clock began to boom out twelve.───时钟开始敲十二点.

additional returns achieved during the boom turn out to be illusory.───在繁荣期得到的所谓额外收益，不过是美梦一场。

Many criticised it for being slow to do deals in the buy-out boom and for sitting on too much cash.───很多批评针对它在经济繁荣时期过于保守，坐拥过多现金。

The foghorn boomed out its warning.

The sails were boomed out.

A voice boomed out from the darkness.

The clock boomed out ten.

The big man's voice boomed out above the rest.

He boomed out his answer.

The clock boomed out eleven.

The tower clock boomed out twelve.

His voice boomed out, announcing the winners.