1.把船头朝前;迎面地
1.with the front facing toward something
2.making no attempt to avoid the dangers or difficulties involved in something
3.if two vehicles crash head-on, the front of one vehicle hits the front of the other
4.if you deal with a problem head-on, you deal with it in a very direct way
1.with the front facing toward something
2.making no attempt to avoid the dangers or difficulties involved in something
3.if two vehicles crash head-on, the front of one vehicle hits the front of the other
4.if you deal with a problem head-on, you deal with it in a very direct way
1.involving direct, fundamental, and uncompromising opposition
2.a head-on crash is one in which two vehicles travelling in opposite directions hit each other
1.Denis Headon of the Roslin Institute, in Edinburgh, and his colleagues, now think they know.
爱丁堡Roslin研究所的丹丹尼斯•赫顿(DenisHeadon)和他的同事认为他们已经知道了。
2.To investigate that, Dr Headon turned to a second chemical, retinoic acid.
为了进一步的研究,赫顿博士借助了一个叫做视黄酸[6]的化学物质。