碗碗小公主
可以用 useful 或 effectiveuseful adj.有用的,有益的,有帮助的; 令人满意的; 例句:This tool is useful.这个工具很有用。effectiveadj.有效的; 起作用的; 实际的,实在的; 给人深刻印象; 例句:This kind of medicine is effective.这种药药效很好。(很管用)希望能够帮助到你!!O(∩_∩)O
美丽依然张
It is useful.It works very well.It works smoothly.It works every time.Sth should do the job.It is effective.这些应该都可以。
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