在大多数应用中，双和双模式也都符合或超过公差的失调所提供的循环球枕块。
In most applications, the double and twin models also either match or exceed the tolerances for misalignment offered by the recirculating ball pillow block.
她把一个靠垫枕在他的头下，给他一点水喝。他拒绝喝水，又在靠垫上不舒服地翻来复去，好像那是块石头或是块木头似的。
She placed a cushion under his head, and offered him some water; he rejected the latter, and tossed uneasily on the former, as if it were a stone or a block of wood.
孩子早已把头枕在一块石头上睡着了。
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