retard造句怎么写

Any accidental release of fluorine could also be an issue: fluorine is a toxic and corrosive gas and, at high concentrations, can retard plant growth and damage teeth and bones.

This impervious layer or boundary will retard the free diffusion of moisture. This condition is referred to as case hardening.

Vehicles used to transport perishable food products should be well insulated to retard the flow of heat through their walls.

We must not be too hasty in this matter, but if we are too slow we will retard our modernization programme.