1.a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretch across each end

2.the sound of a drum;

he could hear the drums before he heard the fifes

3.a bulging cylindrical shape; hollow with flat ends

4.a cylindrical metal container used for shipping or storage of liquids

5.a hollow cast-iron cylinder attached to the wheel that forms part of the brakes

6.small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise

1.make a rhythmic sound;

Rain drummed against the windshield

2.play a percussion instrument

3.study intensively, as before an exam;

I had to bone up on my Latin verbs before the final exam

1.拖線盤

2. 托線盤

1.卷筒

1.①〔NA〕中耳，鼓室

2.②鼓膜：非嚴格用法，同membrana tympani〔NA〕

1.鼓座

1.鼓

1.卷筒

2. 兩端具有側板的圓筒體，用于卷繞漁具的綱索或網具并作多層貯存的工作部件。

1.滾筒

2. 又稱 :滾筒(pulley)

3. 驅動輸送帶或改變其運行方向的圓筒形組件。

1.汽包

2. 又稱“鍋筒”。

1.滾筒

1.卷筒

2. 又稱 :卷筒(barrel )

1 . 鼓

...動態的平衡,其余的工序應相繼地與這一被控制的工序同步。TOC的計劃與控制是通過DBR系統實現的,即“鼓”(drum)、“緩沖器”(buffer)和“繩子”(rope)系統。瓶頸控制著企業生產的節奏——“鼓點”。要對瓶.

2 . 磁鼓

display unit 　顯示裝置drum　磁鼓to edit 　編輯

3 . 鼓狀物

1. drydrum鼓，鼓狀物duck 鴨，鴨肉

4 . 滾筒

其原理非常簡單，首先是利用橡膠包覆的「滾筒」(drum)，又稱「鼓」，將紙張卷入打印機，以印字頭撞針打擊在色帶上再將墨點印在紙上，類似打字機的動作，每印一行.

1 . 鼓聲雜亂

for it is the drum of drums也許這只是鼓聲雜亂

1 . 敲鼓

Paul drew dump ducks drumming drums ., 保羅引出在垃圾場敲鼓的鴨子.

1 . 敲鼓的鴨子

Paul drew dump ducks drumming drums ., 保羅引出在垃圾場敲鼓的鴨子.

1 . 滾筒和

in other words , Business card printing and membership card making machine plate cylinder , blanket drum drum and nano-imprint lithography by independent servo motor drive .也不離是說，制卡和會員卡制作機的印版滾筒、橡皮布滾筒和壓印滾筒分別由并立的伺服電機驅不靜。