Short-focus gamma-radiation
[医] 近焦点-γ线照射, 短焦点γ-线照射
🧩 词语组成解析
short
[ʃɔːrt]
adj. 短的，短暂的;矮的;短缺的;短期的;
adv. 突然;唐突地;简短地;横贯地;
n. 短裤;短路;缺乏;
vt. 故意少给…的零头，骗取;
vi. 短路;
focus
['fokəs]
vt.& vi. （使）集中，（使）聚集;调整（镜头，眼睛）焦点[焦距]以便看清;
vt. 调整（眼睛或者镜头的）焦距;集中（光束于）;聚焦，注视;集中注意力;
n. 焦点;影象的清晰度;（活动、注意力、兴趣等的）中心;[医]病灶，病症;
focus, foci 表示”灶台,火苗;中心点,中心”
n. 希腊语的第三个字母(Γ,γ)\\n[医] γ(希腊文第三个字母), 丙种, 微克(千分之一毫克)
🗣️ 情景例句
With great tact, Lily said that it was time for her to go.
莉莉机智地说她该走了。
I did lesson yesterday.
我昨天做功课。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
长期以来，海员中流传着一种迷信的说法，认为海豚会把快要淹死的人托到水面，救人性命；或在人们周围列队保护，使他们免遭鲨鱼伤害。