Ketosubstrate
酮基底物
🗣️ 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。
The shoes are worn-out.
这鞋已经不能穿了。
one, to my certain knowledge, spent nine months on a novel about Kashmir,
据我所知，有位作家花了9个月的时间写了一部有关克什米尔的小说，