It is a needle-leaf conifer that does lose all its leaves every year.

但其中有一个例外，即落叶松，每年其树叶全部要脱落一次。

youdao

It is a needle-leaf conifer that does lose all its leaves every year.

但其中有一个例外，即落叶松，每年其树叶全部要脱落一次。

youdao