这个城市小型湖泊星罗棋布，有天然的也有人工的。The city is dotted with small lakes, natural and artificial.现在有很多算法来生成人工的地形.There are also lots of algorithms to create artificial terrains.在英文中Artificial这个词有两个含义,一是人工的,二是假的.There are two meanings ...
The typical K - F reagent has disadvantage of high poisonousness and pyridine malodor.经典K-F试剂缺点是毒性大,且具有吡啶的恶臭.This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法...
She hesitated, then put her hand on Grace's arm.她犹豫了一下，然后把手放到格雷斯的胳膊上。I hesitated, not wanting to tell tales about my colleague.我犹豫了，不想说同事的坏话。They have not hesitated in the past to liquidate their rivals.过去他们曾毫不犹豫地铲除...