Diacaustic
散焦面, 散焦曲线
🗣️ 情景例句
I'll help too, Mr. Baker.
我也要帮忙，Baker先生。
This soup would taste better if it had more salt in it.
如果多放点盐，这汤会更好喝的。
Someone is ringing the bell.
有人在按门铃。