To keep your house mouseproof , check all small openings with a ballpoint pen. If it fits the hole, it will let mice in.
要使你的房子里没有小老鼠，用圆珠笔来检查下所有的小洞。如果圆珠笔能放进去的话，那小老鼠就可能钻进去。
A spider has hundreds of small openings in its body.
一只蜘蛛体内有数百个小开口。
Such cells take food in and let waste out through very small openings in their walls.
它们通过细胞壁上非常细小的孔吸进食物和排出废料。
Schoolchildren learn that plants release sweet juices, or nectar, through small openings inside the flower.
学童了解植物通过花朵中的小孔分泌甜汁或蜜。
Thick walls, small openings, bright colors, and the use of natural material characterize his mature compositions.
厚厚的墙壁，小小的出口，明亮的颜色，以及对自然材料的使用是贝若根成熟作品的特色。
Through these small openings, the children can talk to each other, and the parents and the children can talk in sign language.
通过这些小窗，孩子间可以互相交谈，家长与孩子间也可以用手语进行交流。
Through observing microstructure, we can see that bamboo form small-openings like hexagon after wood charcoal.
从竹炭的微观结构可以看出，竹子的细胞壁在炭化后形成了类似六角形的孔隙。
Through observing microstructure, we can see that bamboo form small-openings like hexagon after wood charcoal.
从竹炭的微观结构可以看出，竹子的细胞壁在炭化后形成了类似六角形的孔隙。
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