essential oil
US /ɪˌsen.ʃəl ˈɔɪl/
UK /ɪˌsen.ʃəl ˈɔɪl/
1.
精油
a natural oil typically obtained by distillation and having the characteristic fragrance of the plant or other source from which it is extracted.
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Lavender essential oil is known for its calming properties.
薰衣草精油以其鎮靜特性而聞名。
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She uses various essential oils for aromatherapy.
她使用各種精油進行芳香療法。