Retraction ring
[医] 子宫收缩环, 班都氏环
🧩 词语组成解析
retraction
[[ri'trækʃən]]
n. 缩进, 撤回\\n[医] 退缩, 缩回
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
Do you do hair coloring?
你做染发吗？
I wasn't serious, I meant it as a joke.
我并非有意，我只是开个玩笑而已。
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.
作为一个船舶技帅，科克雷尔在寻找解决波浪阻力的方法，因为波浪阻力浪费掉了船在水面行驶的大量动力，从而限制了船的速度。