Roast meat ( why roast meat is dry and not juicy

Roasting
Meat loss a lot of juice during defrosting .
Always defrost the meat in the chiller.
Season the meat a few hours before roasting, with olive oil, light soy sauce(Singapore style ok lah), don't need salt, and herbs will do.
Only season with light oil, it can penetrate in the meat and also the meat will be juicy when cooked, but please do not leave the meat to defrost in Singapore room temperature, your meat will be dry when cooked.