🧩 词语组成解析
a. 顶端微凹的\\n[医] 微凹的, 微缺的(叶端)
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[lif]
n. 叶子;页;叶状的结构;金属薄片;
vt.& vi. 翻书（报）;
vi. 生叶;
🗣️ 情景例句
We have to advance the building of the new school.
我们必须促进新学校的建设。
His career opportunities suddenly looked brighter.
他似乎突然又有希望飞黄腾达了。
For one agonizing moment, the dish was perched precariously on the bank of the canal, but it suddenly overbalanced and slid back into the water.
在令人忐忑不安的瞬间，盘子晃晃悠悠地上了岸，但它突然失去了平衡，又跌回水中。