one-belt reversing countershaft 可逆转单带轮副轴
Belt Balcony One 带阳台一
ONE DIRECTION BELT 棱形式网带
one second safety belt 一秒延迟开锁安全带
Please put your two pieces of baggage on the conveyer belt one by one.
请你把两件行李一件一件地放在传送带上。
"I knew I could stay in key to some degree," he says. "But I didn't know if I could sustain a note, or belt one out."
“我知道我能在某种程度下保持住音准,”他说,“但是我不知道我能不能保持住一个长音。”
Having reached this decision he felt relieved, just as if he had tightened his belt one notch and thrown out his chest to stand straighter and firmer than ever.
这个决定使他痛快,觉得好像自己的腰带又杀紧了一扣,使胸口能挺得更直更硬。
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