Delta staphylolysin
[医] δ-葡萄球菌溶血素
🧩 词语组成解析
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
[医] 葡萄球菌溶血素
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
If she gets mad with him, she will not speak to him for days.
她对他一生气就会许多天不跟他说话。
It is eight o'clock.The children go to school by car every day, but today, they are going to school on foot.
现在是8点钟。孩子们每天都乘小汽车去上学，而今天，他们正步行上学。