The man and boy then start to pile up a barricade . 这时他和孩子开始堆放防护垛。
The top left hand corner is cut away on all cards for easy stacking . 每张卡片的左上角都切去了一角,便于叠垛。
There have reports of worm casts being deposited to such a height in cereal stooks . 据报道,堆积的蚯蚓粪可堆至谷垛的高度。
Grana stacks have the interesting property of unfolding in low ionic strength medium . 在低离子强度介质中,基粒垛叠能打开这是一个有意思的性质。
A blue light appeared in the zenith, and in some indescribable manner flickered down near the top of the rod . 天顶出现了一道兰色的闪电,它以一种不可名状的方式闪烁不定地落到了垛棍顶端的附近。