滚动的英文：
roll
tumble

参考例句：

Scroll Lock key
滚动锁定键

To cause to rotate,revolve,or turn.
使转动、旋转或滚动

The hoop rolled along the pavement.
圆环沿人行道滚动.

Rolling radius of driving wheel
驱动轮滚动半径

Ball slide die sets for press tools—Four pillar die sets
冲模滚动导向模架四导柱模架

Keep bowling a ball steadily is a basic skill in the game.
让球平稳的滚动在比赛中是项基本技能。

Ball slide die sets for press tools—Diagonal pillar sets
冲模滚动导向模架对角导柱模架

Friction causes a rolling ball to stop finally.
摩擦力使滚动的球最终停了下来。

Ball slide die sets for press tools—Center pillar sets
冲模滚动导向模架中间导柱模架

Holder for ball slide die sets for press tools—Die holder for diagonal pillar sets
冲模滚动导向模座对角导柱下模座

roll是什么意思：
v. 滚动；转动；发出隆隆声；运转；行驶；起伏；卷，绕；辗
n. 滚动，打滚；卷，卷状物；名册

roll - on / roll - off ship
滚装船

The drums rolled.
鼓声隆隆。

Thunder rolled.
雷声隆隆。

Roll the cameras!
开拍！

Heads will roll

tumble是什么意思：
n. 跌倒，摔跤，翻筋斗
v. 翻倒，摔倒；翻筋斗；仓促地行动；使摔倒；暴跌

Toddlers keep tumbling over.
学步的儿童老是摔跤。

He tumbled into the meeting room.
他莽莽撞撞地走进了会议室。

The breakers came tumbling onto the shore.
浪涛滚滚而来拍打著岸边。

The incidence of tumble in day was the same as that in night.
跌倒不仅发生在活动频繁的日间,夜间跌倒例数几乎与日间相同。

The water frothed as it tumbled down the rocks.
水冲击在岩石上溅起了泡沫。