ADV-GRADED
安全地;无危害地
If something is done safely, it is done in a way that makes it unlikely that anyone will be harmed.
例句
The waste is safely locked away until it is no longer radioactive...
废料被安全储存起来,直到其不再有辐射性。
'Drive safely,' he said and waved goodbye...
“小心开车,”他说着挥手告别。