Retaining valve
[化] 单向阀
🧩 词语组成解析
n. 保留, 保持, 维持防护\\nv. 保持( retain的现在分词 ); 拦住; 保存; 止住
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
Are there any other amenities which you would like to have? For example, a dishwasher, a balcony, a swimming pool or central air conditioning?
你要求有什么设施呢？例如，洗碗机、阳台、泳池或者空调？
Purpose supposes foresight.
深谋远虑。
Are they new?
是新的吗？