🧩 词语组成解析
warning
['wɔrnɪŋ]
n. 警告;征候，预兆;前车之鉴;
adj. 警告的;告诫的;引以为戒的;
v. 警告( warn的现在分词);提醒;告诫;预先通知;
warn警告+ing名词后缀 → 警告
tap
[tæp]
vt. 开发;（从容器等）汲取（液体）;割[打]开…取[放]液体;
vi. 轻声走;跳踢踏舞;
n. 龙头，阀门;塞子;电话窃听;（补鞋的）掌子;
🗣️ 情景例句
How do you do?
你好。
Would you mind mailing this letter for me?
你能替我寄这封信吗？
Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing.
藏书使教育成为可能，而教育反过来又丰富了藏书，因为知识的增长遵循着一种“滚雪球”的规律。印刷术的发明又大大提高了知识增长的速度。