英语词汇“essential optional service”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	essential optional service
释义	essential optional service 基本选项服务
随便看	grammy-winning gram-negative Gram negative Gram-negative anaerobic bacteria gram-negative bacilli Gram-negative bacillus gram-negative(bacteria) gram- negative bacteria Gramnegative bacteria gram negative bacteria Gram-negative bacteria gram - negative bacteria gramnegative bacterium gram-negative bacterium Gram-negative chemolithotrophic bacteria Gram-negative cocci and coccobacilli Gramnegative diplococci gram-negative diplococci Gram negative folliculitis gram-negatives gramnicole gramnivorous gramny gramoche Gramoderm 立志若专，反难为易立志要远大，持身要严谨立志要高不要卑……立志要定不要杂，要坚不要缓。立志言为本，修身行乃先。立志贵专一立我蒸民，莫匪尔极。立教有本，躬行为起化之原。立春一日，百草回芽。立春之日雨淋淋，阴阴湿湿到清明立春日暖，冻杀百鸟卵ザッキザッキョザッキンザックザックバランザックリザック［Sack］ザッケンザッコクザッサン