When someone has hayfever, the eyes and nose will stream and itch.花粉热临床表现为流泪、流涕，眼睛、鼻子发痒。Let us, however , examine one of the most common allergies ; hayfever.现在让我们来看看最常见的变态反应的一种--枯草热....
Croatian army troops retreated from northern Bosnia and the area fell to the Serbs.克罗地亚军队从波斯尼亚北部撤军后，该地区落入塞尔维亚人手里。The quarrel between the Serbs and the Croats is old and bitter.塞尔维亚人和克罗地亚人之间的争斗由来已久，而且非常激烈。Croatian army tr...