橄榄色的水
marker的英语读音是 英[ˈmɑːkə(r)] 美[ˈmɑːrkər]
Marker是一个英文单词，具有多种含义，一是指表面覆盖有特殊反光材料的标记物，常见形状有球形、半球形。二是生物学中指标记（Marker）等。
1、N-COUNT (表示方位的)标记，路标，记号;（起提示作用的）标示物A marker is an object which is used to show the position of something, or is used to help someone remember something.
He put a marker in his book and followed her out.他在书里夹了一个书签后便随她出去了。
2、N-COUNT （品质或特点的）标志，代表 If you refer to something as a marker for a particular quality or feature, you mean that it demonstrates the existence or presence of that quality or feature.
Vitamin C is a good marker for the presence of other vitamins and nutrients in frozen food.维生素C的存在是冷冻食品里存在其他维生素和营养成分的很好说明。
兔兔我要幸福
marker 英[ˈmɑ:kə(r)] 美[ˈmɑ:rkə(r)] n. 标识，标记; 记号笔，阅卷人; 防守队员; 特征; [例句]He put a marker in his book and followed her out.他在书里夹了一个书签后便随她出去了。[其他] 复数：markers
