to drop anchor

基本解释

We are ready to drop the anchor.
我们已经做好抛锚的准备了 …
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With GPS enabled, the software recognizes where you are. All you have to do is click on “Drop Anchor” and it notes where your car is parked.
打开GPS，软件识别出你的所在，你所要做的就是点一下 “Drop Anchor”（下锚），它就会在你停车的地方标上个记号。
For example, a scope of 7 to 1 means that with a water depth of 17 feet and the boat’s bow 3 feet above the water (total vertical drop of 20 feet), 140 feet of anchor rode would be let out.
例如，a scope of 7意味着当水深为17英尺，船头距水面为3英尺时（总共的垂直落差为20英尺），140英尺的锚缆将被放出。

So why not be able to pick up and drop anchor for the sake of cohesion?
FORBES: Magazine Article