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to phrases
upgrade
[ʌp'greɪd]
v
archit.
加固
;
提高
(等级,质量)
econ.
使升级
hydroel.st.
升级
sport.
升
晋
级
upgrading
[ʌp'greɪdɪŋ]
v
expl.
选矿
upgraded
adj.
el.
升格的
;
改进[良]的
;
高级的
Upgraded
:
14 phrases
in 8 subjects
Air defense
1
Aviation
1
Business
1
Electronics
2
Metallurgy
3
Project management
1
Space
3
Technology
2
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