Gnotobasis
无菌环境
🗣️ 情景例句
Eight pounds six, just like me.
八磅六， 跟我一样。
Let's go. I'll buy you a drink.
走，我请你喝一杯！
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。