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- He is spontaneous to offer help. 他主动提供帮助。
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- Natural, spontaneous verbal utterance. 自然的、朴素的语言发声
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
- She shows a spontaneous gaiety of manner. 她露出天真愉快的神态。
- spontaneous hardening 自然硬化
- Don't harden your heart against him. 别对他硬心肠。
- My husband was handsome, spontaneous and charming in his youth. 我丈夫年轻时英俊、诚挚、富有魅力。
- Spontaneous fellowship and sympathy among a number of people. 本能的友情一群人自然产生的友谊和同情
- So we find that hardening operation is made up of heating and quenching. 因此我们发现淬火工序包括加热和淬硬两个步骤。
- Please harden in the main ropes, the sail's not tight enough! 请把主要的绳索拉紧些，帆扯得不够紧！
- Hearing the joke, we burst into spontaneous laughter. 听到笑话，我们不由自主地大笑起来。
- Anneal means make harden steel soft and remove brittleness. 退火就是使淬火钢变软并消除其脆性。
- Able to set and harden under water, as Portland cement. 在水中变硬的能在水下定型并变硬的，如波特兰水泥
- He often went to the gym to harden his muscles. 他过去常到健身房锻炼肌肉。
- Poetry flows spontaneous to her lips. 她出口成章。
- They harden clay by putting it in a fire. 他们把粘土坯放在炉火里使其变硬。
- Resulting from internal stimuli; spontaneous. 自发的因内部刺激导致的；自发的
- Not new, fresh, or spontaneous; stale. 陈腐的不再新、新鲜或自然的; 旧的
