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
Industry spokesmen have stated that there's no threat posed to the environment.
工业发言人说他们没有对环境构成威胁。
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售，而没有办促销活动。
But I must ask my parents first. What time shall I come?
不过我必须先问问父母。我几点钟来呢？