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- The zircons we studied were depleted in oxygen 18 relative to the mantle, and such depletion occurs only if the crystals formed from rocks that interacted with rain or snow. 因為相較於地函，我們所研究的鋯石，氧18含量偏低，而這種情形只有可能是晶體的母岩曾經和雨水或雪發生交互作用。
- Because heavier isotopes tend to be left behind when water evaporates from the ocean surfaces, the remaining ocean water becomes progressively enriched in oxygen 18. 因為較重的同位素傾向於留下，當水從海洋表面蒸發時，餘下的海洋水逐漸變得富含氧18。
- Water contains hydrogen and oxygen. 水含有氫和氧。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常優美。
- The beam of the searchlight pierced the darkness. 探照燈的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正確。
- Oxygen enters into many compound bodies. 氧是許多化合物的組成部分。
- She took the veil when she was 18. 她十八歲時當了修女。
- UK nationals get the vote at 18. 英國國民18歲始有選舉權。
- He struck the beam with his head. 他的頭撞到樑上了。
- The beam has a thickness of 3 inches. 這根梁厚3英寸。
- Mars is too dry and poor in oxygen. 火星上面過於乾燥，並且缺乏氧氣。
- Never heard of her. You're off the beam. 我從來沒有聽說過這個人，你搞錯了吧。
- Water is composed of hydrogen and oxygen. 水由氫和氧組成。
- The law forbids the sale of alcohol to people under 18. 法律禁止向18歲以下的人出售含有酒精的飲料。
- Fish take in oxygen through their gills. 魚通過鰓攝取氧氣。
- Mind you don't knock your head (on this low beam). 小心，別(讓這根低梁)撞著頭。
- Sighted land off the starboard beam. 轉向右舷方向便望見了陸地
- The oxygen react vigorously with the impurity in the iron. 氧氣與鐵中的雜質發生劇烈的化學反應。
- The gymnast poised herself on the balance beam. 體操運動員在平衡木上保持平衡。
