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
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
How many yards are you going to get?
你要取几码？
It then sends these signals down an ordinary telephone line to another fax machine, which changes the signals back into the shapes of letters.
然后把这些符号通过一条普通的电话线送到另一台传真机上，传真机又把符号变为字母形状。