observable
柯林斯词典
1. ADJ Something that is observable can be seen. 看得见的; 观察得到的
Mars is too faint and too low in the sky to be observable. 火星太暗,在空中位置太低,所以观测不到。
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1. ADJ Something that is observable can be seen. 看得见的; 观察得到的
Mars is too faint and too low in the sky to be observable. 火星太暗,在空中位置太低,所以观测不到。