K-l
abbr. bacillus Klebs-Loeffler bacillus (diphtheria) 克雷白杆菌（白喉）（代号）; Karhunan-Loeve transformation 卡胡南-洛夫变换
🗣️ 情景例句
you've included performing arts centers,
你拍了表演艺术中心，
A man is known by the company he keeps.
察其友知其人。
Skating is interesting.
滑冰很有趣。