我认为他坚持到底非常勇敢。I think it was very brave of him to tough it out.他以前认为的勇敢现在觉得是有勇无谋。What he once took as boldness he will now judge as foolhardiness.她一直勇敢地坚持着充实满足的生活。She has courageously continued to lead a fulfilled life....
Gasification water - jacketed structure, self - produced vapor is used for gasification.气化段:采用全水套式结构, 自产蒸汽供炉底气化.Transfer lines for liquid helium should be well insulated and vacuum jacketed.用于液氦的转移管应该隔热良好和带有真空夹层.Tool use...