“的保护”例句

单词 的保护 例句 DEFINITIVE EXAMPLES 权威例句〔COVER〕The insect's shell gives it a tough protective covering. 那种昆虫的壳给了它结实的保护层。朗文写作活用〔Cecilia〕Christian martyr traditionally regarded as the patron saint of music.西塞莉娅：基督教殉道...