七天內限購兩片
As the Wuhan coronavirus continues to spread, the demand for surgical face masks has reached fever pitch.
隨著武漢肺炎疫情擴散，口罩頓時成為搶手貨。
continue to +RV持續spread-spread-spread(v)蔓延demand(n., v.)需求、要求、supply(n.)供給surgical face mask外科口罩reach fever pitch到達高點
Therefore, the government has announced a registration system to ration the supply of masks.
政府於是推出新的實名制方法來管制口罩。
therefore=thus因此
Under the system, starting from February 6, Taiwanese residents will have to present their national health insurance (NHI) card to buy face masks at NHI-contracted pharmacies.
新的實名制會在2月6日上路，所有人都要持健保卡才能在健保局特約的藥局購買口罩，
under(prep.)根據、在什麼情況之下which starts=startingresident(n.)居民present(v.)出示=showhealth insurance健保、insurance(n.)保險、life insurance壽險、travel insurance旅行險NHI-contracted健保特約的、contract(v.)訂立合約pharmacy=drugstore(n.)藥房
Each person is limited to buying two face masks per week for NTD 5 each.
每一個人將限額七天內只能購買兩片，每片5元。
be limited to+N. or Ving限制、限定per(adj.)每一
The same rule applies to foreign nationals, who need to present their NHI card and ARC (Alien Resident Certificate).
對於外籍人士也是一樣，需要健保卡以及居留證購買。
apply to~適用於...national(n., adj.)國民、國家的ARC居留證、alien(adj.)外國的、certificate(n.)證明、marriage certificate結婚證書、birth certificate出生證明
Foreigners who are not enrolled in the NHI system, including those who have been in Taiwan for less than six months, as well as Chinese spouses and students, can also purchase masks by presenting their residence permit or entry permit.
沒有加保的外國居民，無論是入境未超過六個月或是中國籍配偶、學生，也可以持居留證或是入出境許可證購買。
be enrolled in 註冊、納保enroll(v.)註冊less than少於、more than超過spouse(n.)配偶purchase=buy(v.)購買by+N.藉由方式permit(n.)許可
As surgical face masks are in short supply nationwide, Premier Su Tseng-chang urged the public to remain calm.
目前過內口罩嚴重短缺，行政院長蘇貞昌也呼籲民眾保持理性，
be in short supply補給缺乏supply and demand (經濟)供給與需求nationwide(adj.)全國的premier(n.)行政院長、總理、首相(行政首長)urge sb. to RV敦促、呼籲某人做...=call on sb. to RVpublic(n., adj.)公眾、大眾的remain calm保持冷靜=stay calm
He cautioned that if people keep buying, stocking up on or wasting face masks, the number of masks will never be enough, even with mass daily production.
他警告如果大家一直搶購、囤積、或浪費口罩，就算每天大量生產再多的口罩都不夠用。
caution(v.)警告、告誡(比warn更委婉)stock up on sth.=hoard sth.囤積某物mass(adj.)大量的