1.使黑,使暗;中伤(名誉等),诽谤
2.变黑,变暗
1.to become black, or to make something become black
1.I am lying or lying ' comes along ' vision blackens, does the head become heavy ' but what does flashy ' eat to you can be improved only?
我躺着或卧着`一起来`视觉变黑，头变重`但只有一瞬间`吃什么会改善？。
2.An oil spill in Australia blackens white sand beaches, ten times more oil than originally thought, leaking from a cargo ship.
一辆货船在澳大利亚发生漏油事故，染黑了白色沙滩，漏油量是原本所估计的
3.Have poison from the food that silver-colored goods blackens to you can look really?
从银制品变黑真的可以看的食物里有没有毒吗？
4.A small, slightly brown plume rises from the vent, and ash blackens the ground to the west and south.
少的，微褐色的熔岩从火山口流出，火山灰云遮蔽了西部及南部的地面。
5.But ignorance, mingled with the human paste, blackens it.
但是，在做人的面糊里搀上无知，它便变成黑的。
6.Oil is splashed red blackens on the leg, good can you leave scar later black all the time perhaps red?
油溅到腿上变黑红色，好了以后会不会留疤或者一直黑红色？
7.A destructive disease of apple and pear trees, caused by a bacterium (Erwinia amylovora) that blackens the leaves and kills the branches.
一种苹果树和梨树的毁坏性疾病，由一种细菌（解淀粉欧文氏杆菌）引起，它使叶子变黑，使树枝坏死。
8.The water turns it green, the air blackens it.
雨水使它发绿，空气使它变黑。
9.An oil spill in Australia blackens white sand beaches.
澳大利亚石油泄漏已经导致白沙滩变黑。
10.Unfavorable excessive is drinkable at the same time coffee or too strong coffee, otherwise the skin blackens easily also.
同时不宜过量饮用咖啡或太浓的咖啡，否则皮肤也轻易变黑。