Otec
n. 海洋热能转换系统
🗣️ 情景例句
This spring is the origin of the brook.
这泉水是那条小河的源头。
The whole carton is packed with double straps, each corner of the carton consolidated with metal angles.
纸箱外加了两道箍，每个箱角都用金属角加固。
How can we find out who are using these computers?
我们怎么知道都有哪些人在使用我们的计算机呢？