Gastroferrin
胃液铁蛋白
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。
All this was comparatively slow until, with the coming of science, the tempo was suddenly raised.
所有这些发展都比较缓慢，而随着科学的到来，增长的速度才突然加快。