🗣️ 情景例句
Biology and mathematics.
生物学和数学。
Soon learnt, soon forgotten.
学得快，忘得快。
Nevertheless,I managed to creep down into the living room for two days before anyone found me out.
不过开头两天我还是成功地蹑手蹑脚地来到楼下起居室，被谁也没发现。