Undular
a. [物](水跃)波形的
🗣️ 情景例句
Especially when it comes to speaking in English and fortunately or unfortunately.
特别是要用英文来演讲，不知是幸运还是不幸。
The news of Tom's death filled us with grief.
汤姆的噩耗，使得我们满怀悲伤。
This result merely confirms earlier American and British studies:
结果仅仅确认了美国人和英国人早期的研究：