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B + A would be--First draw B and from there you draw A.
+ A 就是先画矢量 B,然后再画矢量 A
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$firstVoiceSent
- 来自原声例句
B + A would be--First draw B and from there you draw A.
+ A 就是先画矢量 B,然后再画矢量 A
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