be a sponge的意思|示意

If water gel is not available, a moist sponge may be used.

如果水凝胶是不可用的，可以使用一个潮湿海绵。

Little attention, only will find dashboard can clean dishcloth or sponge, but if the parts can rarely specific parts of a few special homemade tool these problems can be solved.

稍微注意一下仪表板就会发现，只用抹布或海绵就能够清洁的部位很少，但是如果能针对具体的部位自制一些专用的工具这些问题就会迎刃而解了。

It can be applied with a brush, sponge, or a powder puff.

使用方便，可以用粉刷、海绵和粉扑来沾取少量，得到完美的效果。

If someone says something negative about you, don't be a sponge. Let the attack roll off like water on glass.

如有人说起你的是非，千万别当一块“海绵”，让那些攻击性的说话像水在玻璃上一般的流走。

Familiar conventional approaches can be quite a money sponge since they are ineffective, expensive and financially beguiling.

熟悉的常规做法，可以有不少钱，海绵，因为他们是无效的，昂贵的和财政上逗趣的。

The closest living analogue might be a sponge.

现存的最接近的类似物或许是海绵。