Stigmastane
[化] 豆甾烷\\n[医] 豆甾烷, 豆固烷
🗣️ 情景例句
I'm sorry. For these large orders, we insist on payment by L C.
对不起。对于这样金额大的订单，我们坚持用信用证支付。
May I have a receipt?
我可以要一张收据吗？
We have this problem every year.
我们每年都碰到这类问题。末了，