1. Living on a coral reef is a bit like living in a tanning bed. 在珊瑚礁中生存有点象生活在美黑床的光线照射下一样。
2. Most people don't tan after just one day at the beach, or one session in the tanning bed, because it takes time to make melanin. 不过大多数人只在沙滩上玩一天或者使用晒黑床一个周期不会晒成古铜色的皮肤，因为黑色素的合成是需要时间的。
3. The pelt of steer hide was preliminary split, and processed into wet blue by using 4% of chrome tanning agent baSed on the pelt weight. 盐腌皮被片皮后，再用生皮重4％的铬鞣剂对其进行加工，然后，对蓝湿皮进行剖层，削匀，及不含铬的复鞣剂复鞣。
英英解释
n.
1. process in which skin pigmentation darkens as a result of exposure to ultraviolet light
2. beating with a whip or strap or rope as a form of punishment
3. making leather from rawhide
