Hold it down
压住───Hold it down
the shutter as the firework is launching and hold it down until the burst has faded, typically a few seconds.───发射的那一刻就可以按下快门，一直按住不放，直到你要拍摄的焰火完全熄灭，这个过程一般会持续几秒种 。
Why is it that when I press a button and hold it down, it activates immediately and is released?───为什么我按下一个按键不放，它出发后有自动释放了呢？
Hold it down, will you? I'm trying to sleep!───小点声行吗？我要睡觉！
Cover the container with a clean piece of wood. Place a heavy stone on the wood to hold it down. Leave the fish there for about six hours.───用一块干净的木板将容器盖住。在木板放一块沉重的石头压住。让鱼放在那儿约六个小时。
The Jumping Ring Trick Now, with the coil current turned on, grasp the aluminum ring in your fingers and hold it down against the coil end.───跳环的计谋现在有了打开的线圈电流，把握在你的手指铝环和保持对线圈端下来。
Click the left mouse button and hold it down while dragging the cursor to the Customize Portlets dialog box (Figure 11).───在将光标拖拽到Customizeportlets对话框时，点击鼠标左键（参见图11）。
I threw myself on top of the wheelbarrow to hold it down as he passed.
The length of time you hold it down determines the strength of the kick.
I believe in producers, creators, manufacturers, distributors, and in all industrial workers of the world who have a job, and hold it down.
Hold it down, will you? I'm trying to sleep!
After a thorough examination he said that I was well enough to hold it down.