Professional-grade cameras now cost less than $1, 000.
现在，花不到 1000 美金就能买到专业等级的照相机。
2
Not only in accord with family or personal needs of the film clips, which can challenge even professional-grade film editing software.
不仅完全符合家庭或个人所需的影片剪辑功能，甚至可以挑战专业级的影片剪辑软件。
3
The mannequin's Styrofoam head, filled with cornmeal to simulate brains, was close to a professional-grade explosive, with a "quick match" fuse that burns almost instantaneously.