Airdraulics
气动液压技术
🗣️ 情景例句
They're open until nine o'clock.
他们开到九点。
Did you make dessert yourself?
你自己亲自做甜点？
have been frightened out of their wits by giant fish bumping into them as they work.
他们曾在工作时被撞到他们身上的大鱼吓得惊惶失措。