The danger with a lengthening season—and perhaps a more intense one—is pollen's potential to overwhelm immune systems that, up till now, have withstood the onslaught, Tringale said.

延长了的季节带来的危险中或许是最令人紧张的一个，是花粉破坏免疫系统的潜力，到今天，还算抵抗住了这猛攻。

youdao

The danger with a lengthening season—and perhaps a more intense one—is pollen's potential to overwhelm immune systems that, up till now, have withstood the onslaught, Tringale said.

延长了的季节带来的危险中或许是最令人紧张的一个，是花粉破坏免疫系统的潜力，到今天，还算抵抗住了这猛攻。

youdao