Secocholestane
断胆甾烷
🗣️ 情景例句
Have you ever held a secretarial position?
你曾当过秘书吗？
I wish I were running across an open field.
我真希望在原野奔跑。
An enterprise has to incur certain costs and expenses in order to stay in business.
一个企业为了继续经营，不得不支出一定的费用和开销。