Fixatives
n. 固着物( fixative的复数形式 ); 固定剂
🗣️ 情景例句
Or someone can sign with us as a guarantor.
或者有人能当担保人帮我们签字。
Who's the second?
下一位是谁？
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。