重點講解:
1. clean up 打掃;清掃;把…弄干凈;
例句:Mama made him clean up the plate.
媽媽要他把盤子洗干凈 。
2. hold up 舉起;抬起;提起;
例句:She held up her hand stiffly.
她直挺挺地舉著手 。
3. think back 回憶;回想;
例句:Thinking back, I don't know how I had the courage.
現在回想起來,我都搞不清我當時哪來的那股勇氣 。
v. 凍結,冷凍,僵硬,凝固
n. 結冰,凍結