sternum 胸骨
The sternum is a flat bone in the center of your chest.
It connects to the ribs and keeps them in place, forming the front of the rib cage.
The sternum helps protect the heart and lungs inside the chest.
You can feel your sternum by gently touching the middle of your chest.
This bone makes it possible for you to breathe deeply without your chest collapsing.
If the sternum is hurt, it may be hard to move or breathe easily.
胸骨是一块扁平的骨头，位于你胸部正中间。
它和肋骨相连，把肋骨固定好，构成胸腔的前面部分。
胸骨有助于保护心脏和肺等胸腔内脏器。
用手轻轻摸胸口中间，你能感觉到自己的胸骨。
胸骨让你能顺畅地呼吸，而不会让胸部塌陷。
如果胸骨受伤，可能会觉得活动或呼吸都困难。
配套练习✍️ sternum /ˈstɜːnəm/
🔍 完形填空（Cloze Test）
-
The sternum is found in the ______ of your chest.
(a. side / b. center / c. back) -
The sternum connects to the ______.
(a. ribs / b. legs / c. arms) -
The main job of the sternum is to ______ the heart and lungs.
(a. carry / b. protect / c. draw) -
You can touch your sternum in the ______ of your chest.
(a. bottom / b. top / c. middle) -
If the sternum is hurt, it may be hard to ______.
(a. breathe / b. hear / c. blink)
✅ 选择题（Multiple Choice）
-
What shape is the sternum?
A) Flat
B) Round
C) Curly -
What does the sternum help form?
A) The base of the skull
B) The front of the rib cage
C) The fingers -
Why is the sternum important?
A) It makes you run fast
B) It keeps the heart and lungs safe
C) It grows new ribs
✏️ 填空题（Fill in the Blanks）
-
The sternum is a ______ bone in the middle of the chest.
（可选答案：flat, long, round） -
The sternum keeps the ______ in place.
（可选答案：ribs, eyes, arms） -
You can feel the sternum by touching the ______ of your chest.
（可选答案：middle, side, knee） -
Deep breathing is possible because of the strong ______.
（可选答案：sternum, nose, ear）
练习答案✅
完形填空
b. center
a. ribs
b. protect
c. middle
a. breathe
选择题
6. A) Flat
7. B) The front of the rib cage
8. B) It keeps the heart and lungs safe
填空题
9. flat
10. ribs
11. middle
12. sternum
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