S-l
abbr. short-long (signals) 短-长（信号）; sound-locator sublease 有效土地转租
🗣️ 情景例句
I did my thesis on Sino-American Business Relationship.
我做的论文题目是中美贸易关系。
I won't argue with you,but I think you're being unfair.
我不会与你争论，但是我认为你不公平。
Many families spend this at a cottage by the seaside or go camping in the hills or on the coast.
许多家庭会在海滨的小屋里度过这段时光，或到小山坡上或在海岸边野营度假。