corrode (v)
/kəˈroʊd/
ăn mòn
to destroy or be destroyed, esp. by acid or rust , usually over a long period of time
![corrode](https://7vel.com/assets/assets-v2/img/library/corrode.jpg)
installation (n)
/ˌɪn·stəˈleɪ·ʃən/
sự cài đặt
the act of putting something in place so that it is ready for use
![installation](https://7vel.com/assets/assets-v2/img/library/installation.jpg)
maintenance (n)
/ˈmeɪn·tən·əns/
sự bảo trì
the act of keeping something in good condition by checking or repairing it regularly
![maintenance](https://7vel.com/assets/assets-v2/img/library/maintenance.jpg)
simulate (v)
/ˈsɪm·jəˌleɪt/
mô phỏng
to create particular conditions that exist in real life using computers, models, etc., usually for study or training purposes
![simulate](https://7vel.com/assets/assets-v2/img/library/simulate.jpg)
dependence (n)
/dɪˈpen·dəns/
sự lệ thuộc
a state of needing something or someone, esp. in order to continue existing or operating
![dependence](https://7vel.com/assets/assets-v2/img/library/dependence.jpg)
support (n)
/səˈpɔrt/
sự hỗ trợ
technical help that a company gives to customers using their computers or other products
![support](https://7vel.com/assets/assets-v2/img/library/support.jpg)
vigilance (n)
/ˈvɪdʒ·ə·ləns/
sự cảnh giác
the activity of watching a person or situation very carefully so that you will notice any problems or signs of danger immediately
![vigilance](https://7vel.com/assets/assets-v2/img/library/vigilance.jpg)
self-appointed (a)
/ˌself·əˈpɔɪn·tɪd/
tự phong, tự bổ nhiệm
giving yourself a particular title, job, etc., especially without the agreement of other people
![self-appointed](https://7vel.com/assets/assets-v2/img/library/self-appointed.jpg)
freelance (a)
/ˈfriˌlæns/
người hành nghề tự do
working independently usually for various organizations rather than as an employee of a particular one
![freelance](https://7vel.com/assets/assets-v2/img/library/freelance.jpg)
consultant (n)
/kənˈsʌltnt/
cố vấn, chuyên viên tư vấn
someone who advises people on a particular subject
![consultant](https://7vel.com/assets/assets-v2/img/library/consultant.jpg)
unique (a)
/jʊˈniːk/
độc nhất, đặc biệt nhất
being the only existing one of its type or, more generally, unusual, or special in some way
![unique](https://7vel.com/assets/assets-v2/img/library/unique.jpg)
personnel (n)
/ˌpɜː.sənˈel/
nhân viên
the people who work for an organization or one of the armed forces
![personnel](https://7vel.com/assets/assets-v2/img/library/personnel.jpg)
![](themes/7vel/images/chan_ghichu.png)
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