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第二级
 第二级
avia. second stage
earth.sc. second
| 提醒
 提醒
gen. remind
archit. jog
bridge. alert
exhib. pre-advice

to phrases
第二级 dì’èrjí
avia. second stage
earth.sc. second
tech. secondary; second order; second-stage
第二级: 83 phrases in 23 subjects
Agriculture4
Automobiles3
Aviation1
Business1
Earth sciences3
Economy8
Electronics9
General5
International trade2
Life sciences1
Mathematics2
Metallurgy7
Multimedia1
Oil / petroleum1
Project management1
Refrigeration1
Securities2
Space7
Sports2
Statistics2
Submarines1
Technology18
Water resources1