Backing ring
[化] 垫环
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
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
But my birthday is tomorrow.
但是我的生日就在明天。
The demand for our products has kept rising.
要求定购我们产品的人越来越多。
This model's less expensive than that one.
这种型号比那种要便宜些。