Lemonice柠檬冰
blood 是不可数名词，没有复数形式,其本意为“血，血液”。
blood英 [blʌd] 美 [blʌd]
n. 血；血统；仇恨
vt. 流血
词汇搭配
1、draw blood 抽血
2、stop the blood 止血
3、type blood 测定血型
4、blue blood 贵族血统
常见句型：
1、The doctor wanted a specimen of his blood.
医生要他的血样。
2、Blood donors give blood for use in hospitals.
献血者献血供医院使用。
3、The mayor launched an appeal to the public to give blood to the victims of the disaster.
市长向公众呼吁为灾难受害者献血。
1、词源解说：
直接源自古英语的blod，意为血。
2、词语用法
blood也指无脊椎低等动物体中相当于血液的体液; 还可引申为“血统,亲属”“血气,脾气”。
表示“流血”一般不说bleed blood,但在美国黑人英语中可说bleed black blood。
3、近义词：birth英 [bɜːθ]美 [bɝθ]
n. 出生；血统，出身；起源
例句：She is English by birth but French by marriage.
她是英国血统，但嫁给法国人而入了法国籍。
金牌大素包
birthbirthAHD:[bûrth] D.J.[bT8G]K.K.[bPG]n.（名词）The emergence and separation of offspring from the body of the mother.出生，诞生：胎儿脱离母体而出现The act or process of bearing young; parturition:生产，分娩：生产幼子的动作或过程；生产：the mare's second birth.母马的第二胎The circumstances or conditions relating to this event, as its time or location:出生环境：出生时的环境或条件，如时间、地点：an incident that took place before my birth; a Bostonian by birth.我出生前发生的一件事；波士顿出生的人The set of characteristics or circumstances received from one's ancestors; inheritance:遗传：从祖先传下的特点或环境；遗传：strong-willed by birth; acquired their wealth through birth.生来坚强；出生富有Origin; extraction:出身；血统：of Swedish birth; of humble birth.瑞典血统；低微的出身Noble or high status:贵族地位或高贵地位：persons of birth.贵族
艾米tiantian
birthn.1. 出生,诞生;分娩[C][U]The exact date of his birth is not known.他出生的确切日期无人知道。2. 血统,家世,出身[U]He is a man of German birth.他是个德国血统的男子。3. 起源;发生;产生[U]
