Disebrin
肝素
🗣️ 情景例句
Thanks, Ellen.
谢谢，Ellen。
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
Last year, we were travelling across the Channel and Jane put a piece of paper with her name and address on it into a bottle.
去年，当我们横渡英吉利海峡时，简把写有她姓名和住址的一张纸条装进了一只瓶子，