1.swallow vt. 吞下，咽下
She swallowed her anger and carried on.
她忍气吞声地继续进行下去。
2.accidentally adv. 偶然地，意外地
He accidentally nudged the gatepost with the front of the car.
他一不留神汽车的头部碰上了门柱。
3.floppy adj. 松软的，懒散的，衰弱的 n. 软盘 (=floppy disk)
4.nibble['nibl] n. 轻咬，啃 v. 一点点地咬，慢慢啃，吹毛求疵
He didn't answer, but just continued to nibble at his food.
他没有回答，只是继续一点一点地吃东西。
5.suction n. 吸，吸入，汲水管 v. 抽吸，吸出
Flies' feet stick to surfaces by suction.
苍蝇的脚借吸力可附着于物体表面上。