6 call off 取消 We had to call off the match because of the bad weather. 因为天气恶劣,我们不得不取消比赛。 7 carry out 开展、执行、实现 They are being used to carry out experiments. 它们正被使用来开展实验。 8 change ... into 把...变成,转换成 The witch changed the prince into a frog. 巫婆把王子变成了青蛙。 9 clear away 把...清除掉 She is clearing away the branches of that large tree. 她正在把那棵大树的树枝清除掉。 10 care for 喜欢、想要 I care for reading magazines. 我喜欢看杂志。