Quickstart
快速自学程序,快速练习
🗣️ 情景例句
I have spent the last five years working specifically in this field.
过去五年我专门在这个领域里工作。
I wrote to my uncle last night.I couldn't put it off any longer.
我昨晚给我的叔叔写了信.我不能再推迟寄信了。
I'll have to check with our engineers.
我得请教工程师才行。