Patient: I have a poor hearing, ringing in the ear and my right ear seems tu be obstructed.
病人:我的听力不好,耳鸣,我的右耳似乎被堵塞住了。
Face to the friendship, it should not be obstructed among humans, but helpful to each other.
在友谊面前,人与人之间,不是彼此妨碍,而是互相照耀。
In forests, visual signals can be seen only at short distances, where they are not obstructed by trees.
在森林中,视觉信号只能在没有树木遮挡的地方在短距离内被看到。
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