boom的过去式是什么

1. 繁荣，景气
2. 激增，暴涨
3. 栏木，横江铁索
4. 隆隆声
5. 吊杆
6. 澎湃声
7. 嗡嗡声
8. 突然好转
9. 栅栏，水栅
10. 臂，支臂
11. 【空】尾桁
12. 【船】帆的下桁
13. 帆遄
14. 横杠
15. 悬臂

1. 猛涨起来的
2. 忽然发展起来的

1. 发出隆隆声， 声音隆隆而过， 隆隆响
2. （使）兴旺，（使）迅速发展，繁荣，兴隆，急速发展
3. 名声大噪，使出名，突然兴隆
4. 用隆隆声表达，用隆隆声发出
5. 张开帆脚，用张帆桁张帜航行
6. 以最高速航行（常与along连用）
7. 澎湃
8. 咚咚地响
9. 嗡嗡，鸣叫
10. 突然好转
11. 突然得人心
12. 激增，暴涨，猛涨
13. 为…大力鼓吹
14. 轰鸣， 轰响
15. 以低沉有力的声音说话
16. 设木栅
17. 迅速前进，快速运行
18. 迫使公众注意
19. 促进

1. a deep prolonged loud noise
2. a state of economic prosperity
3. a sudden happening that brings good fortune (as a sudden opportunity to make money);

   "the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line"
   

4. a pole carrying an overhead microphone projected over a film or tv set
5. any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring

1. make a resonant sound, like artillery;

   "His deep voice boomed through the hall"
   

2. hit hard;

   "He smashed a 3-run homer"
   

3. be the case that thunder is being heard;

   "Whenever it thunders, my dog crawls under the bed"
   

4. make a deep hollow sound;

   "Her voice booms out the words of the song"
   

5. grow vigorously;

   "The deer population in this town is thriving"
   "business is booming"
   

1.（经济的）繁荣，景气
If there is aboom in the economy, there is an increase in economic activity, for example in the amount of things that are being bought and sold.

boom

e.g. An economicboom followed, especially in housing and construction...
接着出现了经济繁荣，尤其是在房地产业和建筑业。
e.g. The 1980s were indeedboom years.
20世纪80年代是真正的繁荣时期。

2.（数量的）增长；（频率的）加快；成功
Aboom in something is an increase in its amount, frequency, or success.

e.g. Theboom in the sport's popularity has meant more calls for stricter safety regulations...
该项体育运动的兴起意味着制定更加严格的安全规则的呼声更高了。
e.g. Public transport has not been able to cope adequately with the travelboom.
公共交通系统还不能充分满足迅速发展的旅游业的需求。

3.（经济或生意）景气，繁荣
If the economy or a businessis booming, the amount of things being bought or sold is increasing.

e.g. By 1988 the economy was booming...
到1988年经济一直很繁荣。
e.g. Sales are booming...
销售额在快速增长。

4.（船帆的）下桁；帆桁
On a boat,the boom is the long pole which is attached to the bottom of the sail and to the mast and which you move when you want to alter the direction in which you are sailing.

5.浮木挡栅，水栅（用来阻挡溢出的油扩散）
Aboom is a large floating barrier that is used for stopping oil that has spilled from spreading.

6.（人)吼叫；（大炮或大鼓）发隆隆声
When something such as someone's voice, a cannon, or a big drumbooms, it makes a loud, deep sound that lasts for several seconds.

e.g. 'Ladies,' boomed Helena, without a microphone, 'we all know why we're here tonight.'...
“女士们，”海伦娜大声喊道，没有用麦克风，“我们都知道今晚我们为什么来到这里。”
e.g. Thunder boomed like battlefield cannons over Crooked Mountain.
雷声像战场上的炮声一样响彻克鲁克德山。

7. -> see baby boom

相关词组：boom out

1. The thunder boomed like a cannon.
   雷声隆隆,像大炮一样。
2. The guns boomed.
   枪声轰轰。
3. Business is booming.
   商业日趋繁荣。
4. He is booming as a teacher.
   作为一位教师,他日趋成功。
5. The economy is beginning to boom in China.
   中国经济将开始迅速发展。

1. The new aircraft creates a sonic boom.
   那种新飞机会产生声震。
2. The big tax cuts fueled a consumer boom.
   税额的大削减刺激了消费的迅速增长。

boom out (v.+adv.)

用低沉的声音说话 utter in a deep voice

1. 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”。
2. boom是不及物动词,其现在分词booming在句中常用作伴随状语。