Microwelding
微型焊接
🗣️ 情景例句
I'm twenty-nine.
我二十九岁。
John's parents will rejoice at his safe return.
约翰的双亲会因他的安然归来而惊喜万分。
Some of this heat near the earth's surfact is used to make electricity.
靠近地表的一部分热量已被用来发电。