Cosmolin
[医] 凡士林
🏥 医学释义
凡士林，防腐油
🗣️ 情景例句
so I can study it.
以便我好好研究。
We must arrive there on time.
我们必须准时到那儿。
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。