🧩 词语组成解析
[医]蝶铰部（软体动物）
[医]蝶铰部（软体动物）
🗣️ 情景例句
Hi, Tom. How are you doing?
喂，汤姆。你好吗？
The population of Africa is growing by leaps and bounds.
非洲的人口正在极其迅速地增长。
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。