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- The cations Na+ , NH4+ , K+ , Mg2+ and Ca2+ in acid rain samples were determined by ion chromatography. The results were compared with the determination results analyzed by AAS. 用離子色譜法測定酸雨中的Na~+、NH_4~+、K~+、MS~(2+)、Ca~(2+)等陽(yáng)離子,并同時(shí)用原子吸收分光光度法進(jìn)行了對比實(shí)驗。
- I need a funnel to pour petrol into the tank. 我需要一個(gè)漏斗把汽油灌進(jìn)油箱。
- No sooner had we left the village than it began to rain. 我們剛離開(kāi)村子，天就下起雨來(lái)了。
- Fill a bottle with water through a funnel. 通過(guò)漏斗把瓶子注滿(mǎn)水。
- There will be rain in all parts of the country. 全國各地將有雨。
- It looks as if it will rain before long. 看起來(lái)一會(huì )兒就要下雨了。
- After the rain the corn shot up as if by magic. 雨后玉米苗像變魔術(shù)一般的長(cháng)起來(lái)了。
- Rain clouds are banking up. Hope they'll blow over. 雨云正在聚積起來(lái)。希望它們會(huì )散去。
- The window was all smeared after the rain. 下過(guò)雨后窗戶(hù)都臟了。
- The street glistened in the rain. 街道在雨水中閃光。
- It will doubtless rain on sports day. 開(kāi)運動(dòng)會(huì )那天多半會(huì )下雨。
- The lowering clouds threaten rain. 這陰霾的云層預示即將下雨。
- The rain water drips from the roof. 雨水從屋頂滴下來(lái)。
- Rain has been drumming on the windows all night. 大雨通夜不停地敲打著(zhù)窗戶(hù)。
- Have you got any rain check for the following game? 你拿到下一場(chǎng)球的免費票了嗎？
- It looks like rain; we'd better run for it. 天像是要下雨了，我們趕緊快跑吧。
- Dark clouds are a sign of rain or snow. 烏云是雨或雪將至的預兆。
- The boys went for a walk despite of the rain. 盡管下雨，孩子們還是去散步。
- The heavy rain made a great mess of the garden. 這場(chǎng)大雨把花園搞得一團糟。
- Poor John was exposed to the wind and rain. 可憐的約翰處于風(fēng)雨交加之中。
