Upchange
换高挡（开车等加速）
🗣️ 情景例句
I understand, Richard.
我懂了 ，Richard。
Dinner is on me.
晚饭我请客。
It is ten o'clock.Mrs.Sawyer usually stays at home in the morning, but this morning, she is going to the shops.
现在是10点钟。上午，索耶夫人通常是呆在家里的，但今天上午，她正去商店买东西。