Cetta
[化] N-二亚乙基三胺四乙酸; N-β-羧乙基二亚乙基三胺四乙酸
🗣️ 情景例句
we'll send you a letter of appointment and can sign a full distributor contract.
我们将给你们送上一份聘书，并签订一份总的销售合同。
Little wealth, little care.
财少寡忧。
The farmers are all busy, getting ready for the next year.
农民们则全都忙着为下一年作准备。