今天我们要学的词是 permanent. Permanent 永久的。Both sides in the Gaza Strip conflict agreed to a truce as well as to a permanent cease fire agreement last week. 加沙地带冲突双方上周同意停火，并达成永久性停火协议。联合国的一项草案报告称，全球气候变暖是人类行为造成的，可能会给人类生存环境造成不可逆转的变化。Possible permanent changes include the melting of the ice sheet covering Greenland. 可能出现的永久性变化包括格陵兰冰盖的融化。好的，今天我们学习的词是 permanent, permanent, permanent...