Ethoxal
乙(酯)草酸
🗣️ 情景例句
He gives his harness bells a shake
摇动， 绳上的铃铛
He majored in Computers.
他主修计算机。
After they moved the bag away, the girls let the traffic go again.
他们搬走那袋米之后，女孩们解除了交通管制。