Take a trip to…=make a visit to…注意动词的搭配
Next summer I plan to take a trip to Canada.
I plan to make a visit to Canada next summer.
influx= an arrival or entry of large numbers of people or things.大量涌入
The influx of illegal immigration（移民入境，不可数）at the US southern border has been viewed as a major crisis by many Republicans.
in session= assembled for or proceeding with business，在工作中
Our school is in session on Saturdays for students who are obsessed with（注意用介词with）learning.
arsenal= a collection of weapons and military equipment stored by a country, person, or group.武器库，军火库，可数
Nobody knows how this terrorist group has got this massive arsenal of weapons.
breakneck= dangerously or extremely fast，极快而危险的
Passengers in this car were feeling a mixture of anxiety and excitement as the driver was driving at a breakneck speed.
pump作vt是“用泵输送”，可引申为“输送”的意思，后常跟介词into（pump sth into sth）
The company pumped a lot of money into the newly established branch.
pose as…=pretending to be someone or sth.假装成…，合起来是vt，相当于be disguised as，作分词修饰时posing as=disguised as
Hackers posing as family members，government officials，even colleagues to deceive have become a major threat to netizens around the world.
extradite sb= to make someone return for trial to another country or state where they have been accused of doing sth illegal.引渡，vt，名词为extradition，可不可数都可
The US government required the extradition of Joe who they claimed had breached the US cyber law and is now living in China.
ransomware= a type of malicious software designed to block access to a computer system until a sum of money is paid.勒索软件，不可数（software，hardware也都是不可数的）（ransom是赎金的意思，可数）
All applications applying to get involved in the platform will be severely inspected to prevent ransomware.
converge on（a place）= come from different directions and meet at a place.
Fans from all over the world will converge on Beijing to join Joe’s concert.
build a case= to compile evidence that supports an argument.（支持跟for，不支持跟against），相当于 make a case
Experts have been trying hard to build a concrete case for why global warming should be inhibited.
transition 表示“过渡”，可以作动词，vt或vi都可=undergo or cause to undergo a process or period of transition.
Hydropower is believed to be a key source of electricity that can help humanity transition away from fossil fuels.
