Correct
潜航
/ qián háng /
Strokes
Example
As a Verb
(of a submarine) submerge
1
Qiántǐng
潜艇
liánxù
连续
qiánháng
潜航
le
了
jìn
近
yī
一
gè
个
yuè
月
。
The submarine submerged for almost a month.
2
Qiánháng
潜航
sùdù
速度
submerged speed
3
Qiánháng
潜航
shēndù
深度
submerged depth