1. Now, we've talked in depth about coral bleaching, or whitening, which as you recall, is a symptom of that the coral is suffering. 现在,我们已经深入讨论了珊瑚白化,或者说是变白,正如你所记下的,这是珊瑚患病的一种症状。
2. Is Tooth Whitening Safe? 给牙齿美白安全吗?
3. "Cloud whitening" provides a nice example. “云增白”技术就是一个很好的例子。
4. She put whitening on her tennis shoes. 她在网球鞋上刷了白涂料。
5. The same night whitening the same trees. 相同的夜让相同的树木泛白。