在不干净的水中洗澡，他们可能会受到感染。By bathing in unclean water, they expose themselves to contamination.要是能洗个热水澡、换身干净的衣服就太好了。I would love a hot bath and clean clothes.他穿着他最干净的便裤，洁净的衬衫和藏青色上装。He wore his cleanest slacks, a clean shirt an...
植株的基部会长出不定芽.There will be adventitous sprouts at the base of the rose plant.海水侵蚀了悬崖的基部.The sea had undermined the cliff.接穗的基部被切成斜形,暴露出椭圆形的大圈形成层.The base of scoin is cut diagonally to expose a large oval of cambium....