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- If the raio of MgO to cement is greater than 5%, it is possible to use MgO in the construction of RCC gravity dams and high arch dams without artificial cooling. 如能突破掺率5%25的限制，则有可能在全国把氧化镁混凝土应用于高拱坝和碾压混凝土重力坝，使混凝土筑坝技术有较大改观，但事关重大，为此应进行大量科学试验。
- John couldn't keep cool when he met his rival. 约翰见到他的对手就不能冷静下来。
- This dress is made of artificial fibers. 这件衣服是人造纤维的。
- My new car cost me a cool thousand pounds. 我的新车整整花了我1000镑。
- Her artificial gaiety disguised an inner sadness. 她以矫揉造作的快乐掩饰著内心的悲痛。
- In cooling, the rivet contracts. 铆钉在冷却时会收缩。
- Let's go and have icecream to cool off. 咱们去吃点冰淇淋凉快凉快吧。
- I can't stand his artificial smiles. 我受不了他的假笑。
- I was fitted an artificial tooth by the dentist. 牙医给我镶了颗假牙。
- He do not wear a coat in spite of the cool weather. 虽然天气寒冷，他没有穿外套。
- He was always cool in the face of danger. 他在危险面前总是镇静自若。
- A rest in the shade will cool you down. 在阴凉处休息会使你凉爽。
- You look cool in this new jacket. 你穿这件新茄克帅极了。
- Artificial heating hastens the growth of plants. 人工供暖能促进植物生长。
- Oats mainly grow in cool climate. 燕麦主要生长在气候凉爽的地区。
- Her artificial manner made me sick. 她那装腔作势的样子令我恶心。
- The room was decorated with artificial flowers. 房间用人造花装饰。
- This product contains no artificial preservatives. 此产品不含任何人造防腐剂。
- I feel a little cool in the autumnal night. 在秋天的晚上，我感到一丝凉意。
- A cooling drink is welcome on a hot day. 在热天清凉饮料很受欢迎。
