適用於選單、按鈕和說明。你的學習內容會保持為英文。
/ˈsæd/
feeling unhappy or sorrowful
“The dog looked sad when his owner left the park.”
Feeling fear or anxiety about something.
Feeling strong annoyance or displeasure.
Feeling worried or uneasy.
feeling embarrassed or guilty
Feeling sure about oneself or a situation.
eager to learn or know something.
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