Microcontext
[计] 最小上下方
🗣️ 情景例句
I don't know.
我不知道。
I'll need an economy ticket with an open return.
我要一张经济舱，回来时间不定的来回票。
'At the time the murder was committed, I was travelling on the 8 o'clock train to London,' said the man.
“在凶杀发生的时候，我正坐在8点钟开往伦敦的火车上。”那人说。