🗣️ 情景例句
Thank you, Dr. Stewart.
谢谢你，Stewart大夫。
This knife is dirty.Would you bring me a clean one,please?
这把刀子是脏的.请你给我干净的一个,好吗？
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。