J.
[医] 焦耳氏当量(热功当量)
🗣️ 情景例句
OK, I've got one.
好 ，我有了。
It's a once in a lifetime chance.
这是一生难得的机会。
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。