Studies suggest that anything smaller than ten micrometers in diameter (about a tenth the diameter of a human hair) is problematic, increasing the risk of asthma, heart disease, and stroke.
研究发现吸入任何直径小于十微米(大约人类头发的十分之一)的任何东西都是有问题的，可能会增加得哮喘的风险，心脏类疾病或者中风。
The background galaxies are about one tenth the apparent size of NGC 7331 and so lie roughly ten times farther away.
背景星系的大小大约是NGC7331表面大小的十分之一，而距离上则大约是10倍甚至更远。
And that is not bad at all because I think, from what I remember, is that it is 11 times ten to the tenth.
这数字不坏，因为，据我所记得的，等于11乘10的10次方。
Italian stallions just make it into the top ten, in ninth position, with their swarthy good looks winning over women from around the world, while sleek Tel-Aviv takes tenth position.
意大利帅哥勉强挤进前十，排在第九位。他们黑黝黝的皮肤和帅气的长相赢得了世界各地女人的芳心。以色列特拉维夫的时髦男人则排在第十位。
Italian stallions just make it into the top ten, in ninth position, with their swarthy good looks winning over women from around the world, while sleek Tel-Aviv takes tenth position.
意大利帅哥勉强挤进前十，排在第九位。他们黑黝黝的皮肤和帅气的长相赢得了世界各地女人的芳心。以色列特拉维夫的时髦男人则排在第十位。
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