50分鐘北京到張家口
China will launch the latest driverless bullet train for the coming Beijing 2022 Winter Olympic and Paralympic games.
為了迎接2022北京冬奧，中國推出了最新的自動駕駛子彈列車，
launch(v.)推出driverless(adj.)無駕駛的coming(adj.)即將到來的=upcomingOlympic奧運、Paralympic帕運
It will also be the world’s fastest autonomous train in operation.
這將會世界最快的自動高速鐵路系統。
in operation營運中
The new train line connects Beijing and ten other cities, including Zhangjiakou and Yanqing, where most of the Winter Olympic events will take place.
這個新的鐵路線將連接北京以及其餘十個城市，包括冬奧主賽區的張家口以及延慶。
connect=link(v.)連接event(n.)活動、盛會where關係副詞(介係詞+關係代名詞)、後面子句有完整結構take place=be held(v.)舉辦
The train can reach a top speed of 350km per hour.
列車最高時速可以來到350公里，
reach(v.)達到speed(n.)速度km per hour時速、per每
The new service will cut down the travel time between Beijing and Zhangjiakou to less than 50 minutes.
預計將縮減北京來往張家口的行車時間到50分鐘以內。
cut down=reduce(v.)縮短less than不到
What’s more, the system is controlled entirely by computer.
另外，列車營運系統全程都由電腦控制。
what′s more=moreover=furthermore而且、此外system(n.)系統control(v.)控制、被動entirely=completely完全地
There are also all manner of new technologies on the train, such as 5G internet, facial recognition, safety sensors, and so on.
列車上也看的到許多新科技，如5G網路、臉部辨識、安全感應系統等等。
all manner of=all kinds of各種的facial recognition臉部辨識safety sensor安全感應and so on=and so forth諸如此類、等等
The operation will officially start in December of this year.
京張鐵路線將於今年十二月開始正式營運。
officially(adv.)正式地、official(adj.)正式的start=begin(v.)開始
China has been expanding its high-speed rail network in recent years, and this autonomous bullet train will take it up a notch.
中國近幾年來開始建設國內的高速鐵路網路，而最新的自動駕駛子彈列車又讓高鐵技術更上一層樓。
has been V-ing現在完成進行式(從過去某一個時間點開始一直進行到現在的動作、且強調持續不斷)expand(v.)擴張rail network鐵路網take sth. up a notch更上一層樓= take it to the next level、take sth. down a notch拉低水準、notch(n.)V形切口
If you plan to visit Beijing for the Winter Olympic games, don’t miss out on the fastest autonomous bullet train in the world.
如果有機會造訪北京冬奧，不妨也去體驗看看世界最快的自駕子彈列車。
plan to RV計畫做某事miss out (on sth). 錯過、miss out on a chance錯過機會