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- Hydrogen sulphide, on the other hand - the same poisonous gas produced by rotten eggs - also blocks oxygen but has a looser grip on haemoglobin and thus is easier to remoe, making it a better choice. 另外，一种类似的有毒气体，硫化氢，可能会是一个更好的选择。硫化氢由腐蚀的鸡蛋生成的，也可以用来阻断氧气，而且跟血红蛋白的结合没有那么紧，这样也就比较容易清除。
- He hold on to my arm with a tenacious grip. 他紧紧抓住我的手臂不放。
- Bind the rope fast lest it should come loose. 把绳子绑牢，免得它松脱。
- He tightened his grip on her arm. 他紧抓她的手臂。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- The brake doesn't grip properly. 刹车不灵了。
- Still the loose ends of the war need to be tied up. 战后尚未解决的一些零星问题仍然需要完成。
- The eagle seized its prey in a tenacious grip. 鹰将捕获物紧紧抓住。
- The loose board in the floor should be nailed down. 地板中松了的板子应该用钉子钉牢。
- Be careful with that saucepan the handle's loose. 小心那个长把儿锅--把儿可松了。
- I think the prime minister may be losing his grip. 我认为首相可能控制不住局面了。
- That loose woman will come to no good. 那荡妇不会有好下场的。
- I played badly; I seem to be losing my grip. 我表演得很差，我似乎逐渐失去了控制能力。
- In short, Mrs Miles is a loose fish. 总之，迈儿斯先生是个浪荡子。
- The fox broke loose and ran away. 狐狸挣脱了束缚跑掉了。
- He held on to my arm with a tenacious grip. 他紧紧抓住我的手臂不放。
- The child would not let go his grip on Tom. 这孩子紧紧地抓住汤姆不放。
- Come and see us if you're at a loose end. 闲著的时候到我们这儿来坐坐。
- He is just beginning to get a grip of the subject. 他刚刚开始能掌握这一科。
- Never tell him a secret; he's got a loose tongue. 别把秘密告诉他，他的嘴不严。
