Bibliometer
吸水性能测定仪
🗣️ 情景例句
and an advance payment waiting for you
和预付稿酬等你来
Mother begins baking cookies two weeks before Christmas.
自圣诞节的两周以前，母亲就开始做小甜饼了。
My friend Li Lei likes mooncakes with meat.
我的朋友李雷喜欢放有肉的月饼。