Wall fern
n. 水龙骨
🧩 词语组成解析
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
Do you think he liked my photographs?
你觉得他喜欢我的摄影吗
I can't tell.
我说不准。
So, ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
因此，大西洋两岸的企业都在问，当一套测试可以解决问题时，为什么需要两套呢？