1. burst vi.±¬ÁÑ£»±¬·¢n.ͻȻÆÆÁÑ£»±¬·¢

In the city£¬the water pipes in some buildings cracked and burst.

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burst in/into´³½ø

burst into tears/laughterͻȻ´ó¿Þ/´óЦÆðÀ´

burst out crying/laughingͻȻ¿ÞÆü/´óЦ