Secocholestane

断胆甾烷

🗣️ 情景例句

Do you think the clothing industry has bright future?
你觉得服装行业前景好吗?
You'd better see a doctor about that stomachache.
你胃痛最好去看医生。
Do you want beef or lamb?
您要牛肉还是要羔羊肉?
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🔤 更多 S 开头的单词

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