https://online2.tingclass.net/lesson/shi0529/0008/8458/2520_upgrade.mp3
https://image.tingclass.net/statics/js/2012
今天我們要學的詞是 upgrade. Upgrade 作為名詞,是更新的意思。The Nigerian Customs Service said it requires about N20 billion to do a system upgrade at the nation’s international airports. 尼日利亞海關說,他們需要200億奈拉才能完成尼日利亞各大國際機場的系統(tǒng)更新。Leading Silicon Valley companies including Facebook and Google are investing in encryption upgrades. 包括臉書和谷歌在內(nèi)的硅谷大科技公司都在投資更新自己的加密技術。好的,我們今天學習的詞是 upgrade, upgrade, upgrade...