Betaine
n. [化]甜菜堿, 三甲銨乙內酯
??? 情景例句
I started traveling twenty-four hours ago.
從出門到現在已經二十四小時了。
She told me she wanted to start a company.
她告訴我她想開公司。
Also they make the tank look much prettier.
二來，它們還可以使容器看起來更漂亮些。