HSK C7-9
Correct

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Strokes

Definition

axis/axle/spool (for thread)/roller (for scrolls)/classifier for calligraphy rolls etc

Example

As a Noun
axle; axletree
1
xíngchē
自行车
zhóu
gāi
huàn
le
  

The axles of the bike should be replaced.

2
Zhè
zhóu
huài
le
  

The axle is worn.

As a Noun
axle-shaped thing
As a Noun
axis
As a Noun
rod; roller
As a Measure word
axis