Fumaroid
富马型, 反丁二烯型, 反式异构化合物
🗣️ 情景例句
Five, five, five, seven, five, three, two.
5557532。
I have no leisure time to play golf.
我没空闲打高尔夫球。
This product is doing very well in foreign countries.
这种产品在国外很畅销。