Both natural and synthetic man-made rubber are of little value in their raw stat

游客2023-12-11  8

问题 Both natural and synthetic man-made rubber are of little value in their raw state.

选项

答案 synthetic一/或man-made一/

解析 两者都表示“人工的,非天然的”,同时使用属于语义赘述。
转载请注明原文地址:https://tihaiku.com/zcyy/3265089.html
最新回复(0)