n.

1. （尤指果树的）花[C]
   There is no blossom on the cherry trees this year.

   今年这些樱树没有开花。

2. （一棵树开的）全部花朵[U]
3. 开花；开花期[U]
4. 生长期；兴旺期[U]
5. 花一样美好的东西[C]

vi.

1. 开花；生长茂盛
2. 发展成[（+into/out）]
   That small fishing village has now blossomed into an important port.

   那个小渔村现已发展成为一个重要港口。

3. 出现；兴旺
   His career blossomed from then on.

   从那时起他的事业兴旺起来。

n.

v.

1. (of a tree or bush) produce blossom.
2. mature or develop in a promising or healthy way.