stain

沾污；败坏；给…着色英释vvto change the colour of something, especially something made of wood, by using a special liquid

污点；瑕疵；着色剂英释nna mark that is difficult to remove, especially one made by a liquid such as blood, coffee, or ink

1 stain resistance,抗着色污染；防沾污性

2 oil stain,油渍；油斑；油性着色剂

3 gram stain,革兰氏染色剂

4 blue stain,[生物学]蓝着色；蓝变

5 wood stain,木材着色剂

6 blood stain,血痕

7 black stain,黑色颜料

1 We’ve decided to stain the shelves blue..我们决定把架子涂成蓝色。