a stretch of the arm 伸出手臂
Either incident might have been an accident, but taken together they rather stretch the arm of confidence.
因为我们不能忍受的事实是每件事情的发生都是偶然的。
The little telescopes are amazing: if I stretch my arm out in front of me, the telescopes focus on one-quarter of one of my fingernails.
微型显微镜太厉害了:如果我在身前伸展胳膊,显微镜会聚焦到我一片手指甲上的一小块。
With your opposite arm, grab the bottom of your chair and pull up while your head still hangs-you'll feel the stretch in the exposed side of your neck-hold for 30 seconds.
伸出你相反的手臂,抓住座椅底部,在上拉的同时仍使头悬着——你将感觉到脖子暴露部分的拉伸——保持30秒钟。
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