Collimators
n. 准直仪; 描准仪
🗣️ 情景例句
Tomorrow morning after lifting weights,I'll try aerobics.
明早举完重，我去试试有氧运动。
The love of money is the root of all evil.
爱财是万恶之源。
that the annual drug bill of the Health Services is mounting to astronomical figures
卫生部门的年度药费上升到了天文数字，