Idfg
abbr. intracavity CW difference frequency generation 内腔连续波差频振荡
🗣️ 情景例句
His books exposed people to new ideas.
他的书使人们接触了新思潮。
I have been selected as this year's recipient of the Award for Outstanding Performance.
我成为了今年的杰出表现奖的获奖人。
In 1928 some porpoises were photographer working like beavers to push ashore a waterlogged mattress.
1928年，有人拍摄到了海豚像海狸一样把浸透水的床垫推上岸的情景。