Y-
[字首]表过去分词之义
🗣️ 情景例句
You always know the right thing to say.
你说话得体。
A disease known is half cured.
病情确诊断，治病好一半。
I ought to go home. I have to cook supper for my grandmother.
我该回家了。我得给奶奶做晚饭。