卸荷板的英文：
relieving slab

relieving是什么意思：
v. [relieve] 的现在分词形式；缓和，减轻

The corporal will relieve the sentry in an hour.
下士一小时后接替卫兵。

I can not relieve the oppression of the heart.
我难以消除心头的压抑。

We are all relieved to be back home.
回到家里我们都感到安心了。

He devoted himself to relieving the distressed.
他献身救助不幸者。

Money relieved her of material difficulties.
金钱免除了她的经济困难。

slab是什么意思：
n. 四方厚块，厚片；混凝土路面
v. 把…分成厚片；用石板铺

I will slab a piece of bread.
我会切下厚厚的一片面包。

The patio was made of stone slabs.
这天井是用石板铺砌而成的。

A man was eating a huge slab of pizza.
一个人正在吃巨大的厚厚的批萨。

Tomorrow I will slab my bedroom.
明天我会把卧室铺上木板。

The 3-metre-square slabs are on a tilt.
3 平方米的厚板倾斜放置着。