orally

副词 orally:

1. (of drugs) through the mouth rather than through injection
   同义词：by mouth
2. by spoken rather than written means
   同义词：by word of mouth

1. An agreement or promise made orally or in writing not under seal; a contract.
   协定口头或书面未经盖印的协议或许诺; 协定
2. Tribal lore and custom have been passed down orally.
   部落的知识和风俗口耳相传保存下来。