例文・使い方で印象づける「activating」の覚え方
スポンサーリンク..."No, it's absolutely safe now, and will be safe until this stud isturned, releasing the activating gas from one compartment to minglewith the radium compound in the other section... 
Various 「Astounding Stories, May, 1931」
ランダム例文：
domestication transients torrid
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