Black rubber case.

黑色橡胶案件。

youdao

And a comfortable black rubber strap feels secure on the wrist.

及舒适的黑色橡胶表带在手腕上感觉安全。

youdao

The operating room and anaesthesia box to their rear are lined with black rubber safety MATS.

手术室和麻醉箱在其后部，衬有黑色橡胶安全垫。

youdao

Their rival electrons collide inside the "binder, " the underground black rubber sheathings that carry up to 100 copper pairs.

FORBES: Copper Hopper

Of course, whacking the little black rubber ball repeatedly isn't the same thing as knowing how to play the game.

WSJ: Squash and Schooling

We also had to wear black rubber boots over our desert boots.

WSJ: Ryan Smith: The Reality That Awaits Women in Combat