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n.[U]
1. 琥珀
2. 琥珀色;黃色;黃褐色
a.
1. 琥珀似的;琥珀制的
2. 琥珀色的
alert
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a.
1. 警覺的;警惕的;留神的[(+to)]
She is alert to every sound and movement.
她對每壹個聲音和動作都很警覺。
2. 機敏的,靈活的[(+in)]
The boy was alert in answering the stranger's questions.
男孩很機敏地回答了陌生人的問題。
n.[C]
1. 警戒,警報
2. 警戒狀態;警戒期間
She was always on the alert for some new calamities.
她總是保持警覺以防某種新的災難。
vt.
1. 向...報警;使警覺;使註意[(+to)]
The doctor alerted me to the danger of a heart attack.
醫生提醒我註意心臟病發作的危險。
2. 通知(軍隊,船只等)待命;通知[(+for/about)][O2]
She's alerted me for weekend duty.
她已通知我周末值班。
notice
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n.
1. 公告,通知,貼示[C]
2. 警告;預先通知[U]
They have received notice of a typhoon approaching.
他們已收到臺風即將來臨的預報。
3. 註意;察覺[U]
His special talents attracted my notice.
他特殊的才幹引起了我的註意。
4. 短評;介紹[P1]
The new play received poor notices.
這出新戲反應很差。
vt.
1. 註意,註意到[W][O3][+v-ing][+wh-][+(that)]
She didn't notice that I had entered the room.
她沒有看到我已經走進屋裏。
I noticed him winking at his brother.
我察覺他對他兄弟眨眼示意。
Did you notice her engagement ring?
妳看到她的訂婚戒指了嗎?
2. 通知
The plane was noticed to take off at six o'clock.
飛機接到通知六時起飛。
3. 評論,介紹
4. 提到,談到
The incident was noticed in a magazine.
這壹事件在壹份雜誌裏述及。
5. 招呼,客氣對待
vi.
1. 引起註意
我想大概是關於珠寶玉石什麽的鑒別提示吧