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powder down (昆蟲的)粉冉羽。

powder factory

“ can you prescribe something else for me , doctor ? i can ' t keep these powders down at all . “大夫,能不能給我開些別的藥?這些藥粉,我一吃下去就要吐出來。 ”

“ can you prescribe something else for me , doctor ? i can ' t keep these powders down at all . “大夫,能不能給我開些別的藥?這些藥粉,我一吃下去就要吐出來。

Shaking will settle the chalk powder down 晃一晃把粉筆末抖落下來。