Polycistron
多顺反子
🗣️ 情景例句
I'm having some trouble keeping food down.
我吃东西时感到困难。
He will go to America next month, if he is ready then.
如果准备就绪，他下个月将去美国。
The men of our family waded down through our flooded meadows with boathooks, in the hope of being able to grapple a corner of the raft and pull it out of the current towards our bank.
我家的男人们手拿船篙过被水淹没草场，希望能够钩住筏子一角，将它拽出激流，拖回岸边。