您要查找的是不是：
- One should not run about aimlessly during an alert. 空襲警報期間不可到處亂跑。
- She is always on the alert for some new calamity. 她總是保持警覺以防某種新的災難。
- The act or posture of bending low or crouching. 下蹲，蹲伏下蹲或蹲伏的動作或姿勢
- Only humans have a natural upright posture. 只有人類才有自然直立的姿勢。
- Keep on the alert; we're due for an inspection. 提防著點，輪到檢查我們了。
- Be sure to be watchful or alert. 必須留神，千萬要提防。
- Poor posture will give you backache. 坐姿不好會使人腰背酸痛。
- An extremely stiff, erect posture. 過分筆直，僵立的姿態
- They have put the army on the alert. 他們已使軍隊進入戒備狀態。
- The alert leopard went up to a deer quietly. 警覺的豹子靜悄悄地走近一隻鹿。
- An alert listener will have noticed the error. 耳朵尖的人能聽出這個錯。
- Ground Alert Posture 地面待命態勢
- The district was put on red alert during a terrorist bomb scare. 這個地區在得到恐怖主義者轟炸後作了應急準備。
- They are trying to adopt a more cooperative posture. 他們正試圖採取更為合作的態度。
- Alert to circumstances; attentive. 對周圍環境敏感的; 留心的
- The artist asked his model to take a reclining posture. 畫家要求模特取斜倚著的姿勢。
- Troops are on the alert against any possible aggression. 軍隊戒備著可能的來犯。
- His posture of handstand is very beautiful. 他的倒立動作很漂亮。
- 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。
- Although he's over eighty his mind is still remarkably alert. 他雖已年過八十，但頭腦仍然十分機敏。
