流利说 D65 2018-08-31
一、复习
Level4-Unit1-Part3*Learning-
- Vocabulary-Dental Problems"+1 D64 2018-08-30
二、学习
Level4-Unit1-Part3*Learning-
Vocabulary-Internal Organs"+3
internal adj.内部的、国内的、内在的、体内的
organ n.器官、机关、风琴
1、The lungs are used for breathing.
2、The lungs exchange oxygen from the air with carbon dioxide from the blood.
- pump v.抽、打气、泵///n.抽水机
- arteries n.动脉、血管
- vein n.静脉、血管、性情
- chest n.胸部、柜子
- lung 肺、电池
The heart pumps blood to all parts of body through a system of arteries and veins.[心脏通过动脉和静脉系统将血液泵送到身体的各个部位] It’s located in the chest, between the lungs and it beats about once per second.[它位于胸部，肺部之间，每秒跳动一次]
- kidney n.肾脏、性格
- toxin n.毒素;毒质
- shape n.形状、形态、塑钢///v.塑造
The kidneys remove waste and toxins from the blood. They are been shaped organs and are about 10 cms long, and 6 cm wide.??
- Inhale vt.& vi.吸气;吸入;〈非〉狼吞虎咽
- Exhale vt.发散出;放出，放射;使蒸发;[医]渗出 ///vi.呼气;发散;放出
- expand v.扩大、膨胀、赢得、演变
- *contract n.合同、契约、字句///v.收缩、承包、感染、立约///adj.简约的
The lungs exchange oxygen from the air with （CO2）carbon dioxide from the blood.[肺与来自血液的二氧化碳交换空气中的氧气]They expand when inhaling air and contract when exhaling air.**[它们在吸入空气时膨胀，在呼出空气时收缩]
- stomach 胃、腹
- digest v.消化///n.文摘
- intestine 肠
- Small intestine n.小肠
The stomach is below the heart and is part of the digestive system. It uses acids to digest food before passing it to the small intestine.
- bladder 膀胱
- balloon-shaped 气球状
- balloon 气球
- shape n.形状、形态、塑钢///v.塑造
- collect v.搜集、汇总、提取///n.搜集
- urine n.尿、溺
- liter 升
The bladder is a balloon-shaped organ that collects urine from the kidneys.[膀胱是一个球形器官，可以收集肾脏的尿液] In an adult, the bladder can hold about half a liter of urine.
