Acenaphthenone
[化] 苊酮
🗣️ 情景例句
for opening their home to me.
为我敞开大门。
The greatest obstacle to progress is prejudice.
进步的最大障碍是偏见。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，