Special connections ensure that the system excellent air tightness.特别的连接方式保证了系统优良的气密性.His excellent aunts had ventured a comment on his appearance.他杰出的姑妈们胆大妄为地评论了一番他的外貌.A foray to your supermarket will supply all the rea...
The principles of antisepsis were carried over into the public hygiene.抗菌法的原则被应用于公共卫生.Before the introduction of antisepsis, laparotomy was not usually performed.在发明抗菌法以前, 开腹手术是不常做的.In medicament industry, iodine has hug...