Echitin
[化] 厄蚩亭; 鸡骨常山酸
🗣️ 情景例句
It sounded like a dog barking right here.
好像有只狗就在这儿叫。
I really should be on my way.
我真的该告辞了。
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。