Any empty space.

空白；空地。

A printed paper with spaces to be filled in.

【美】空白表格。

A lottery ticket that does not win a prize.

未中奖的奖券。

A piece of metal, as for a coin, ready for stamping.

准备铸成钱币的金属片。

Cartridge with powder but no bullet.

【军】空包弹。

Empty piece.

空处。

Without writing; printing or other marks.

空白的；未印刷的。

Without variety or interest.

无趣的。

Fruitless; vacant; empty.

无结果的；虚的；空的。

Utter; absolute.

完全的；绝对的。

Unbroken in surface.

表面完整的。

To cross out.

取消；作废。

To keep (an opponent) from scoring.

【体】使(对手)未得分。