Halimeda
仙掌藻属
🗣️ 情景例句
Are you good at it?
你很擅长吗？
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。