Fibercoloscope
纤维结肠镜
🗣️ 情景例句
They are eager to learn English.
他们急着要学英语。
The telepnone is out of order.
这电话出毛病了。
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。