Speedex
斯皮德克斯镍银, 斯皮德克斯铜镍锌合金(商品名)
🗣️ 情景例句
The game was put off due to heavy rain.
由于下大雨，比赛延迟了。
Between two stools one falls to the ground.
脚踏两头要落空。
with their fellow scientists either in other countries or in universities,
和其他国家、其他大学同行们