"What d'you think?" she asked in an undertone.“你觉得怎么样？”她小声地问道。The sobbing voice had an undertone of anger.啜泣声中隐隐透着愤怒。His soft words contained an undertone of warning.他温和的话中蕴涵着警告之意。...
Inhalations of menthol may do the trick.吸入薄荷醇或许可以起到作用。This is a salve containing menthol.这是一种含有薄荷的药膏。Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation.以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇...