英语语法分析

Strong infectiousness of mother is an important factor in intrauterine infection.

母亲传染性强是宫内感染的重要因素。

The most disquieting thing about the scofflaw spirit is its extreme infectiousness.

这种藐视法律的情绪，最令人不安之处在于其传染性。

AIM: to study the infectiousness of the convalescent patients with severe acute respiratory syndrome (SARS).

目的：了解严重急性呼吸综合征(SARS)恢复期患者的传染性。