Catalyst elevator
[建] 催化剂升举机
🧩 词语组成解析
🗣️ 情景例句
Please sit down, Mr. Stewart.
请坐， Stewart先生。
A dog will not howl if you beat him with a bone.
骨头打狗狗不叫。
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。