Pentahydroxy-acid
[化] 五羟基酸
🧩 词语组成解析
🗣️ 情景例句
Two hours from now.
从现在起两小时。
Is the production line fully attomatic?
生产线是全自动的吗？
Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.
伯德这时知道他能够顺利飞抵300英里以外的南极了，因为前面再没有山了。