Immunoselection
免疫选择法
🗣️ 情景例句
They want to work.
他们想工作。
The sanitary engineer collects garbage.
卫生队员收集垃圾。
Then anyone who wants to can go for a walk round Aswan after the boat trip.
那么，想乘船的人就可以在乘船游览之后到阿斯旺各处走走。