Ship's emergency astern is an urgent measure to prevent collision between ships.
船舶紧急制动，是船舶航行中避碰而采取的应急措施。
In the process of moving, the best to protect the "corners" to prevent collision.
搬家过程中，最好保护好“边边角角”以防磕碰。
You should put the bowl in a pack of old newspapers, in the way to prevent collision and damage.
你把碗放在应该用旧报纸包起来，防止在运的途中互相碰撞而破损。
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