serviceable
🇬🇧/ˈsɜːvɪsəb(ə)l/ 🇺🇸/ˈsɜːrvɪsəb(ə)l/
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If you describe something as serviceable, you mean that it is good enough to be used and to perform its function. 可用的; 够用的
adjective [原级] 有用的,可供使用的;耐用的
His Arabic was not as good as his English, but serviceable enough. 他的阿拉伯文没有他的英语好,但是足够用了。