Casco
蛋白质粘合剂
🗣️ 情景例句
Your work will get by, but try to improve it.
你的工作还过得去，不过还得努力改进一下。
They lacked for nothing.
他们什么都不缺。
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，