Nanocatalyst
纳米催化剂
🗣️ 情景例句
She's been having a fling.
她曾经风流放纵过。
The waiter seems to be in a hurry to take our order.
侍者似乎匆匆忙忙拿我们的订单。
some snakes manufacture a poison different in every respect from that of others,
有些蛇产生的毒液也在各方面与另外一些毒蛇产生的毒液不同，