exert a force with a heavy weight;

"The snow bore down on the roof"

place the cone on the pin and lightly press down on the cone until it stops as shown. this will center the subbase.

把漏斗如图套入小棒，轻轻压下，直到压不动为止，座垫也就对中了。

your action is a double-tap, press your pen button, press down on the image of the light bulb, and then lift up the pen.

像您双击鼠标的一个按钮一样，两次快速点击以下门的图像。 成功的双击会将门打开。

coat your pet「s paw with a thin layer of petroleum jelly, and press the top of the paw firmly into the concrete. press down on the heel of the paw to get a complete print.

把你的宠物爪子上涂上薄薄的一层凡士林，然后把爪子稳稳地按在混合物表面，注意把爪子后部也按住，这样才能得到一个完整的爪子印。

press down on the mat with your hands, gently increasing the arch in your back.

这时，双手紧压地面，轻轻向后弓背，增加弧度。

apply some moisture to this area, and press down on the coin for a few seconds. the coin will stick and you」re able to lift it.

把手掌的这个区域涂湿，并按压硬币数秒．硬币就会粘在手掌上，你就能把硬币吸起了。

ask those interested to press down on the surface of the water with their hands, to see how the level of the water rises and then falls when they press down or let up.

问到有兴趣的手按压其表面的水，看看如何在水平提高的水，然后按下时跌倒或松懈。

and there are no gears to shift—it「s all torque from the second you press down on the accelerator.

该车没有齿轮的转动，它完全靠第二次踩下的油门的扭矩。

press your pen button and then press down on the image of the light bulb.

请按一下笔的按钮，然后按下电灯泡的图像。

the new well will be used to fill the old one with heavy drilling mud that will press down on the reservoir below, stopping more oil from escaping.

新井的用途是向旧井注入泥浆加重剂，这可以把喷油井压在泥浆的下方，进而防止更多的原油泄漏。

details:ez-loc, simply return the scba bottle to the bracket and with as little as one finger, press down on the top clamp to quickly and easily lock it into place.

详细描述：使用ez-loc机械支架，只需简单将呼吸器气瓶放回支架，用一个手指压住顶部的夹钳，便可简单快速地固定气瓶。

your action is a double-tap, press your pen button, press down on the image of the light bulb, and then lift up the pen.

请按一下笔的按钮，然后按下电灯泡的图像。 如果您按的按钮正确，您会看见打开电灯的选项。

the vehicles that press down on a bridge」s roadway compress the top half of the road, causing it to shorten like a compressed spring.

那些从桥上过压紧桥面的车辆会导致路面上半部分的压缩，使其想被压缩的弹簧一样变短。

nature instinctively forces them to extend their arms laterally and press down on the water's surface.

自然本能的力量强迫他们向两侧伸开手臂打压水面。

place articles less prone to wrinkles and heavier items (shoes, containers, etc.) at the bottom of the suitcase, so as to not press down on more fragile clothing.

将不太容易起皱的衣服或较重的物品（鞋、容器等）放在行李箱的底部，这样就不会压到比较容易起皱的衣服。

what this does is it actually lets you press down on the screen when you are tapping on an icon or trying to type out an email.

它的作用是，当你点击图标或者想发出邮件时，可以让你点击屏幕。