Сердце его твёрдо, как камень, и жёстко, как нижний жёрнов.
each is so close to the next that no air can pass between.
One is so near to another that no air can come between them.
“One is so near to another That no air can come between them.
They are so close together that no air can get between them.
One is so near to another, that no air can come between them.
One is so near another That no air can come between them;
One is so near to another that no air can come between them;