Metanometer
甲烷计
🗣️ 情景例句
Can I speak with Mr. or Mrs. Burns?
我可以跟Burns先生或太太通话吗？
Could you hold the door open, please?
请让门继续开着好不好？
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见，因为陆地上几乎没有什么东西覆盖它们。