When cubs are hungry, they produce a grating fingernails-on-blackboard sound, with their lips pulledback from their teeth, to encourage their mother to lie down so they can nurse.
当幼仔饥饿时，它们会将嘴唇向牙齿后拉，发出指甲挠抓黑板般的尖锐叫声，以促使它们的母亲躺下来喂奶。
There was an open grating above it, through which came the sound of men's voices, mingled with the noise of hammering, and the throwing down of boards.
门的上方有一个敞开的格子窗，窗外传来七嘴八舌的说话声，其中还混杂着榔头起落和木板掉在地上的响声。
At least visually things are adequate and, thankfully, the sound is not of the grating sort, kept instead to tasteful interlude music between levels.
视觉上至少事是充分的，并且，感激地，声音不是刺耳排序，改为保持到雅致的插曲音乐在水平之间。
For some time there was no noise but the grating sound of the spades discharging their freight of mould and gravel.
有一段时间，只能听到他们一锹一锹抛泥土和石子所发出的嚓嚓声响。
On January 17, our bicycle wheel presses the dry sandy soil, the dust has raised, rushes to a pitch, and in grating braked in the sound to slow down the speed.
一月十七日，我们的单车轮子压过干燥的沙土，尘土扬起，冲下一个斜坡，并且在刺耳的煞车声中减缓了速度。
On January 17, our bicycle wheel presses the dry sandy soil, the dust has raised, rushes to a pitch, and in grating braked in the sound to slow down the speed.
一月十七日，我们的单车轮子压过干燥的沙土，尘土扬起，冲下一个斜坡，并且在刺耳的煞车声中减缓了速度。
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