Bilateral convention
[经] 双边公约(协定)
🧩 词语组成解析
🗣️ 情景例句
Four o'clock at the advanced exercise class. With me.
四点钟去高级健身课， 跟我一起。
He hears the violin squeaking.
他听到了小提琴发出的声音。
He did not look up from his desk when I entered.
我进去的时候，他连头也没抬。