Un tamis placé à l'intérieur du dispositif empêchera les choses de tomber dans le tube. - A screen placed inside the device will keep things from falling into the tube.
2. v. to come down
Laisse la pluie tomber sur nous et recouvre le pays de cette eau qui donne la vie. - Let the rains come down upon us and cover the land with life-giving water.
3. v. (indtr, sur) to bump into, to come across; to be received by (when making a telephone call)