常見例句Keywords mutation breeding;non natural environment;penicillium sp; 青霉菌;非自然環(huán)境;誘變育種;This non sequitur invalidates his argument. 他不根據(jù)前提推理因而論證無效。It is natural for a cat to catch mice. 貓捉老鼠是本能。It's natural to slack2 off towards the end of a hard day's work. 一天緊張工作快結(jié)束的時候有些放松是自然的。Many natural materials are becoming scarce. 許多天然原料越來越少。Patience is a sine qua non for a good teacher. 做個優(yōu)秀教師必不可少的條件是要有耐心。 返回 non natural