Retzius' striae
[医] 雷济厄斯氏纹(棕色纹见于牙釉质)
🧩 词语组成解析
[医] 纹
🗣️ 情景例句
It's completely beyond my grasp.
我完全摸不着头脑。
What are you gonna do?
你打算怎么办？
The temperature will stay above zero in the day-time, but at night it will fall below zero again.
白天气温保持在零度以上，但夜间仍会降至零下。