Difluorinated
二氟化的
🗣️ 情景例句
He was involved in a political scandal.
他被牵涉到了一宗政治丑闻中。
Tell us about your post-purchase servicing.
告诉我们有关你们售后服务的情况。
'Though Verrazano is by no means considered to be a great explorer,
虽然维拉萨诺绝对算不上一个伟大的探险家，