As strategies for controlling emesis have improved, the frequency of anticipatory emesis has decreased.

一旦控制呕吐的策略得到改进，则期待性呕吐的频率也随之下降。

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As strategies for controlling emesis have improved, the frequency of anticipatory emesis has decreased.

一旦控制呕吐的策略得到改进，则期待性呕吐的频率也随之下降。

youdao